Home / 502,752.28-693,780.42-276,396.04

Finding the Fourth Proportional to 502,752.28, 693,780.42 and 276,396.04

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Solution

The fourth proportional to 502,752.28, 693,780.42 and 276,396.04 is: 381,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,752.28 : 693,780.42 = 276,396.04 : x
  2. Step 2: Convert to fraction form
    502,752.28/693,780.42 = 276,396.04/x
  3. Step 3: Cross multiply
    502,752.28x = 693,780.42 × 276,396.04
  4. Step 4: Simplify right side
    502,752.28x = 191,758,160,717.54
  5. Step 5: Solve for x
    x = 191,758,160,717.54/502,752.28
  6. Step 6: Final answer
    x = 381,416.79

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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.