Home / 1,013,593.52-1,398,150.90-669,430.13

Finding the Fourth Proportional to 1,013,593.52, 1,398,150.90 and 669,430.13

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Solution

The fourth proportional to 1,013,593.52, 1,398,150.90 and 669,430.13 is: 923,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,593.52 : 1,398,150.90 = 669,430.13 : x
  2. Step 2: Convert to fraction form
    1,013,593.52/1,398,150.90 = 669,430.13/x
  3. Step 3: Cross multiply
    1,013,593.52x = 1,398,150.90 × 669,430.13
  4. Step 4: Simplify right side
    1,013,593.52x = 935,964,331,755.86
  5. Step 5: Solve for x
    x = 935,964,331,755.86/1,013,593.52
  6. Step 6: Final answer
    x = 923,411.92

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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.