Home / 396,431.37-547,067.52-224,346.14

Finding the Fourth Proportional to 396,431.37, 547,067.52 and 224,346.14

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Solution

The fourth proportional to 396,431.37, 547,067.52 and 224,346.14 is: 309,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,431.37 : 547,067.52 = 224,346.14 : x
  2. Step 2: Convert to fraction form
    396,431.37/547,067.52 = 224,346.14/x
  3. Step 3: Cross multiply
    396,431.37x = 547,067.52 × 224,346.14
  4. Step 4: Simplify right side
    396,431.37x = 122,732,485,747.54
  5. Step 5: Solve for x
    x = 122,732,485,747.54/396,431.37
  6. Step 6: Final answer
    x = 309,593.27

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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.