Home / 732,665.40-1,098,998.10-543,708.60

Finding the Fourth Proportional to 732,665.40, 1,098,998.10 and 543,708.60

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Solution

The fourth proportional to 732,665.40, 1,098,998.10 and 543,708.60 is: 815,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,665.40 : 1,098,998.10 = 543,708.60 : x
  2. Step 2: Convert to fraction form
    732,665.40/1,098,998.10 = 543,708.60/x
  3. Step 3: Cross multiply
    732,665.40x = 1,098,998.10 × 543,708.60
  4. Step 4: Simplify right side
    732,665.40x = 597,534,718,353.66
  5. Step 5: Solve for x
    x = 597,534,718,353.66/732,665.40
  6. Step 6: Final answer
    x = 815,562.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.