Home / 664,942.57-996,958.19-238,469.27

Finding the Fourth Proportional to 664,942.57, 996,958.19 and 238,469.27

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Solution

The fourth proportional to 664,942.57, 996,958.19 and 238,469.27 is: 357,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,942.57 : 996,958.19 = 238,469.27 : x
  2. Step 2: Convert to fraction form
    664,942.57/996,958.19 = 238,469.27/x
  3. Step 3: Cross multiply
    664,942.57x = 996,958.19 × 238,469.27
  4. Step 4: Simplify right side
    664,942.57x = 237,743,887,401.20
  5. Step 5: Solve for x
    x = 237,743,887,401.20/664,942.57
  6. Step 6: Final answer
    x = 357,540.48

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1.5x scale

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.