Home / 396,575.22-547,274.49-226,809.34

Finding the Fourth Proportional to 396,575.22, 547,274.49 and 226,809.34

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Solution

The fourth proportional to 396,575.22, 547,274.49 and 226,809.34 is: 312,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,575.22 : 547,274.49 = 226,809.34 : x
  2. Step 2: Convert to fraction form
    396,575.22/547,274.49 = 226,809.34/x
  3. Step 3: Cross multiply
    396,575.22x = 547,274.49 × 226,809.34
  4. Step 4: Simplify right side
    396,575.22x = 124,126,966,935.73
  5. Step 5: Solve for x
    x = 124,126,966,935.73/396,575.22
  6. Step 6: Final answer
    x = 312,997.29

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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.