Home / 396,327.20-546,914.22-226,572.26

Finding the Fourth Proportional to 396,327.20, 546,914.22 and 226,572.26

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Solution

The fourth proportional to 396,327.20, 546,914.22 and 226,572.26 is: 312,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,327.20 : 546,914.22 = 226,572.26 : x
  2. Step 2: Convert to fraction form
    396,327.20/546,914.22 = 226,572.26/x
  3. Step 3: Cross multiply
    396,327.20x = 546,914.22 × 226,572.26
  4. Step 4: Simplify right side
    396,327.20x = 123,915,588,116.97
  5. Step 5: Solve for x
    x = 123,915,588,116.97/396,327.20
  6. Step 6: Final answer
    x = 312,659.82

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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.