Home / 396,463.28-546,985.32-226,576.40

Finding the Fourth Proportional to 396,463.28, 546,985.32 and 226,576.40

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Solution

The fourth proportional to 396,463.28, 546,985.32 and 226,576.40 is: 312,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,463.28 : 546,985.32 = 226,576.40 : x
  2. Step 2: Convert to fraction form
    396,463.28/546,985.32 = 226,576.40/x
  3. Step 3: Cross multiply
    396,463.28x = 546,985.32 × 226,576.40
  4. Step 4: Simplify right side
    396,463.28x = 123,933,964,658.45
  5. Step 5: Solve for x
    x = 123,933,964,658.45/396,463.28
  6. Step 6: Final answer
    x = 312,598.85

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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.