Answer:
CJ/MN=7/4
Explanation:
We see that GHJ is bigger then MKN. So GHJ:MKN=7:4, i.e, CJ:MN=7:4.
Angles of triangle are not in proportion 7:1, they are the same. But g/k is not 1, becaus g is not in the opposition to the biggest side, like angle k is in trianlge MKN. So k is not equal to g, k=h.
GH/MK=7/4 not to 4/7, and j/n=1 not 7/4.