Home / 396,581.76-547,248.96-226,788.48

Finding the Fourth Proportional to 396,581.76, 547,248.96 and 226,788.48

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Solution

The fourth proportional to 396,581.76, 547,248.96 and 226,788.48 is: 312,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,581.76 : 547,248.96 = 226,788.48 : x
  2. Step 2: Convert to fraction form
    396,581.76/547,248.96 = 226,788.48/x
  3. Step 3: Cross multiply
    396,581.76x = 547,248.96 × 226,788.48
  4. Step 4: Simplify right side
    396,581.76x = 124,109,759,819.98
  5. Step 5: Solve for x
    x = 124,109,759,819.98/396,581.76
  6. Step 6: Final answer
    x = 312,948.73

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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.