Home / 1,234,320.21-1,703,503.17-690,593.76

Finding the Fourth Proportional to 1,234,320.21, 1,703,503.17 and 690,593.76

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Solution

The fourth proportional to 1,234,320.21, 1,703,503.17 and 690,593.76 is: 953,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,320.21 : 1,703,503.17 = 690,593.76 : x
  2. Step 2: Convert to fraction form
    1,234,320.21/1,703,503.17 = 690,593.76/x
  3. Step 3: Cross multiply
    1,234,320.21x = 1,703,503.17 × 690,593.76
  4. Step 4: Simplify right side
    1,234,320.21x = 1,176,428,659,342.22
  5. Step 5: Solve for x
    x = 1,176,428,659,342.22/1,234,320.21
  6. Step 6: Final answer
    x = 953,098.43

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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.