Home / 396,977.92-595,465.98-172,309.24

Finding the Fourth Proportional to 396,977.92, 595,465.98 and 172,309.24

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Solution

The fourth proportional to 396,977.92, 595,465.98 and 172,309.24 is: 258,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,977.92 : 595,465.98 = 172,309.24 : x
  2. Step 2: Convert to fraction form
    396,977.92/595,465.98 = 172,309.24/x
  3. Step 3: Cross multiply
    396,977.92x = 595,465.98 × 172,309.24
  4. Step 4: Simplify right side
    396,977.92x = 102,604,290,459.66
  5. Step 5: Solve for x
    x = 102,604,290,459.66/396,977.92
  6. Step 6: Final answer
    x = 258,463.47

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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.