Home / 396,481.47-547,152.60-224,399.43

Finding the Fourth Proportional to 396,481.47, 547,152.60 and 224,399.43

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Solution

The fourth proportional to 396,481.47, 547,152.60 and 224,399.43 is: 309,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,481.47 : 547,152.60 = 224,399.43 : x
  2. Step 2: Convert to fraction form
    396,481.47/547,152.60 = 224,399.43/x
  3. Step 3: Cross multiply
    396,481.47x = 547,152.60 × 224,399.43
  4. Step 4: Simplify right side
    396,481.47x = 122,780,730,511.15
  5. Step 5: Solve for x
    x = 122,780,730,511.15/396,481.47
  6. Step 6: Final answer
    x = 309,675.83

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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.