Home / 664,758.30-996,943.05-238,244.70

Finding the Fourth Proportional to 664,758.30, 996,943.05 and 238,244.70

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Solution

The fourth proportional to 664,758.30, 996,943.05 and 238,244.70 is: 357,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,758.30 : 996,943.05 = 238,244.70 : x
  2. Step 2: Convert to fraction form
    664,758.30/996,943.05 = 238,244.70/x
  3. Step 3: Cross multiply
    664,758.30x = 996,943.05 × 238,244.70
  4. Step 4: Simplify right side
    664,758.30x = 237,516,397,864.34
  5. Step 5: Solve for x
    x = 237,516,397,864.34/664,758.30
  6. Step 6: Final answer
    x = 357,297.38

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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.