Home / 502,375.56-693,291.03-272,930.55

Finding the Fourth Proportional to 502,375.56, 693,291.03 and 272,930.55

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Solution

The fourth proportional to 502,375.56, 693,291.03 and 272,930.55 is: 376,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,375.56 : 693,291.03 = 272,930.55 : x
  2. Step 2: Convert to fraction form
    502,375.56/693,291.03 = 272,930.55/x
  3. Step 3: Cross multiply
    502,375.56x = 693,291.03 × 272,930.55
  4. Step 4: Simplify right side
    502,375.56x = 189,220,302,127.97
  5. Step 5: Solve for x
    x = 189,220,302,127.97/502,375.56
  6. Step 6: Final answer
    x = 376,651.09

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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.