Home / 502,306.68-693,190.56-272,868.28

Finding the Fourth Proportional to 502,306.68, 693,190.56 and 272,868.28

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Solution

The fourth proportional to 502,306.68, 693,190.56 and 272,868.28 is: 376,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,306.68 : 693,190.56 = 272,868.28 : x
  2. Step 2: Convert to fraction form
    502,306.68/693,190.56 = 272,868.28/x
  3. Step 3: Cross multiply
    502,306.68x = 693,190.56 × 272,868.28
  4. Step 4: Simplify right side
    502,306.68x = 189,149,715,819.44
  5. Step 5: Solve for x
    x = 189,149,715,819.44/502,306.68
  6. Step 6: Final answer
    x = 376,562.21

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1.5x scale

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.