Home / 396,824.76-547,622.19-215,540.24

Finding the Fourth Proportional to 396,824.76, 547,622.19 and 215,540.24

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Solution

The fourth proportional to 396,824.76, 547,622.19 and 215,540.24 is: 297,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,824.76 : 547,622.19 = 215,540.24 : x
  2. Step 2: Convert to fraction form
    396,824.76/547,622.19 = 215,540.24/x
  3. Step 3: Cross multiply
    396,824.76x = 547,622.19 × 215,540.24
  4. Step 4: Simplify right side
    396,824.76x = 118,034,615,523.82
  5. Step 5: Solve for x
    x = 118,034,615,523.82/396,824.76
  6. Step 6: Final answer
    x = 297,447.71

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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.