Home / 396,272.13-546,855.48-226,509.90

Finding the Fourth Proportional to 396,272.13, 546,855.48 and 226,509.90

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Solution

The fourth proportional to 396,272.13, 546,855.48 and 226,509.90 is: 312,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,272.13 : 546,855.48 = 226,509.90 : x
  2. Step 2: Convert to fraction form
    396,272.13/546,855.48 = 226,509.90/x
  3. Step 3: Cross multiply
    396,272.13x = 546,855.48 × 226,509.90
  4. Step 4: Simplify right side
    396,272.13x = 123,868,180,089.25
  5. Step 5: Solve for x
    x = 123,868,180,089.25/396,272.13
  6. Step 6: Final answer
    x = 312,583.63

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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.