Home / 396,002.22-546,433.20-226,247.28

Finding the Fourth Proportional to 396,002.22, 546,433.20 and 226,247.28

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Solution

The fourth proportional to 396,002.22, 546,433.20 and 226,247.28 is: 312,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,002.22 : 546,433.20 = 226,247.28 : x
  2. Step 2: Convert to fraction form
    396,002.22/546,433.20 = 226,247.28/x
  3. Step 3: Cross multiply
    396,002.22x = 546,433.20 × 226,247.28
  4. Step 4: Simplify right side
    396,002.22x = 123,629,025,201.70
  5. Step 5: Solve for x
    x = 123,629,025,201.70/396,002.22
  6. Step 6: Final answer
    x = 312,192.76

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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.