Home / 396,976.92-595,464.48-172,308.24

Finding the Fourth Proportional to 396,976.92, 595,464.48 and 172,308.24

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Solution

The fourth proportional to 396,976.92, 595,464.48 and 172,308.24 is: 258,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,976.92 : 595,464.48 = 172,308.24 : x
  2. Step 2: Convert to fraction form
    396,976.92/595,464.48 = 172,308.24/x
  3. Step 3: Cross multiply
    396,976.92x = 595,464.48 × 172,308.24
  4. Step 4: Simplify right side
    396,976.92x = 102,603,436,531.32
  5. Step 5: Solve for x
    x = 102,603,436,531.32/396,976.92
  6. Step 6: Final answer
    x = 258,461.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.