Answer: 643,251 > 633,893 > 633,512 .
Step-by-step explanation:
Since we have given that
643,251 , 633,512, and 633,893.
We need to compare all these three numbers.
Firstly,
633,512 < 633,893.
And 643,251 is the highest amongst three.
so, the order would be
643,251 > 633,893 > 633,512 .
Hence, 643,251 > 633,893 > 633,512 .