Final answer:
To find the total revenue for the first three quarters of the year, add the revenue for each quarter: $500,000 + $600,000 + $690,000 = $1,790,000.
Step-by-step explanation:
To find the total revenue for the first three quarters of the year, we need to start with the revenue for the first quarter, which is $500,000. Then we can calculate the increase in revenue for the second quarter by multiplying the revenue in the first quarter by 20% and adding it to the revenue in the first quarter: $500,000 * 0.20 = $100,000. So the revenue for the second quarter is $500,000 + $100,000 = $600,000. Next, we can calculate the increase in revenue for the third quarter by multiplying the revenue in the second quarter by 15% and adding it to the revenue in the second quarter: $600,000 * 0.15 = $90,000. So the revenue for the third quarter is $600,000 + $90,000 = $690,000. Finally, we can calculate the total revenue for the first three quarters of the year by adding the revenue for each quarter: $500,000 + $600,000 + $690,000 = $1,790,000.