Home / 499,140.73-688,936.61-284,407.43

Finding the Fourth Proportional to 499,140.73, 688,936.61 and 284,407.43

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Solution

The fourth proportional to 499,140.73, 688,936.61 and 284,407.43 is: 392,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,140.73 : 688,936.61 = 284,407.43 : x
  2. Step 2: Convert to fraction form
    499,140.73/688,936.61 = 284,407.43/x
  3. Step 3: Cross multiply
    499,140.73x = 688,936.61 × 284,407.43
  4. Step 4: Simplify right side
    499,140.73x = 195,938,689,260.98
  5. Step 5: Solve for x
    x = 195,938,689,260.98/499,140.73
  6. Step 6: Final answer
    x = 392,552.00

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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.