Home / 396,403.34-547,036.98-226,641.02

Finding the Fourth Proportional to 396,403.34, 547,036.98 and 226,641.02

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Solution

The fourth proportional to 396,403.34, 547,036.98 and 226,641.02 is: 312,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,403.34 : 547,036.98 = 226,641.02 : x
  2. Step 2: Convert to fraction form
    396,403.34/547,036.98 = 226,641.02/x
  3. Step 3: Cross multiply
    396,403.34x = 547,036.98 × 226,641.02
  4. Step 4: Simplify right side
    396,403.34x = 123,981,019,124.92
  5. Step 5: Solve for x
    x = 123,981,019,124.92/396,403.34
  6. Step 6: Final answer
    x = 312,764.82

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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.