Home / 396,462.28-546,983.94-226,575.40

Finding the Fourth Proportional to 396,462.28, 546,983.94 and 226,575.40

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Solution

The fourth proportional to 396,462.28, 546,983.94 and 226,575.40 is: 312,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,462.28 : 546,983.94 = 226,575.40 : x
  2. Step 2: Convert to fraction form
    396,462.28/546,983.94 = 226,575.40/x
  3. Step 3: Cross multiply
    396,462.28x = 546,983.94 × 226,575.40
  4. Step 4: Simplify right side
    396,462.28x = 123,933,104,999.08
  5. Step 5: Solve for x
    x = 123,933,104,999.08/396,462.28
  6. Step 6: Final answer
    x = 312,597.47

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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.