Home / 396,190.68-546,744.78-226,430.52

Finding the Fourth Proportional to 396,190.68, 546,744.78 and 226,430.52

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Solution

The fourth proportional to 396,190.68, 546,744.78 and 226,430.52 is: 312,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,190.68 : 546,744.78 = 226,430.52 : x
  2. Step 2: Convert to fraction form
    396,190.68/546,744.78 = 226,430.52/x
  3. Step 3: Cross multiply
    396,190.68x = 546,744.78 × 226,430.52
  4. Step 4: Simplify right side
    396,190.68x = 123,799,704,842.69
  5. Step 5: Solve for x
    x = 123,799,704,842.69/396,190.68
  6. Step 6: Final answer
    x = 312,475.06

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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.