Home / 396,394.59-547,024.91-226,632.27

Finding the Fourth Proportional to 396,394.59, 547,024.91 and 226,632.27

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Solution

The fourth proportional to 396,394.59, 547,024.91 and 226,632.27 is: 312,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,394.59 : 547,024.91 = 226,632.27 : x
  2. Step 2: Convert to fraction form
    396,394.59/547,024.91 = 226,632.27/x
  3. Step 3: Cross multiply
    396,394.59x = 547,024.91 × 226,632.27
  4. Step 4: Simplify right side
    396,394.59x = 123,973,495,966.68
  5. Step 5: Solve for x
    x = 123,973,495,966.68/396,394.59
  6. Step 6: Final answer
    x = 312,752.74

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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.