Home / 396,944.12-547,807.38-227,174.60

Finding the Fourth Proportional to 396,944.12, 547,807.38 and 227,174.60

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Solution

The fourth proportional to 396,944.12, 547,807.38 and 227,174.60 is: 313,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,944.12 : 547,807.38 = 227,174.60 : x
  2. Step 2: Convert to fraction form
    396,944.12/547,807.38 = 227,174.60/x
  3. Step 3: Cross multiply
    396,944.12x = 547,807.38 × 227,174.60
  4. Step 4: Simplify right side
    396,944.12x = 124,447,922,428.55
  5. Step 5: Solve for x
    x = 124,447,922,428.55/396,944.12
  6. Step 6: Final answer
    x = 313,514.97

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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.