Answer:
Next larger scale size = 2.827
Explanation:
For a certain font scale factor is 1.414 and one of the scale size is 1.999.
so we have to find the next larger scale size.
Since scale factor will be defined as the ratio of larger scale size of the font and smaller font size.
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1.414 =

Larger font size = 1.414 × 1.999 = 2.8266 ≈ 2.827
Next larger scale size = 2.827