Finding the Fourth Proportional to 624,064.97, 860,978.50 and 461,114.34
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Solution
The fourth proportional to 624,064.97, 860,978.50 and 461,114.34 is: 636,166.98
Step by Step Solution
- Step 1: Write the proportion equation
624,064.97 : 860,978.50 = 461,114.34 : x - Step 2: Convert to fraction form
624,064.97/860,978.50 = 461,114.34/x - Step 3: Cross multiply
624,064.97x = 860,978.50 × 461,114.34 - Step 4: Simplify right side
624,064.97x = 397,009,528,400.24 - Step 5: Solve for x
x = 397,009,528,400.24/624,064.97 - Step 6: Final answer
x = 636,166.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.