Home / 461,199.69-691,149.24-217,781.04

Finding the Fourth Proportional to 461,199.69, 691,149.24 and 217,781.04

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Solution

The fourth proportional to 461,199.69, 691,149.24 and 217,781.04 is: 326,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,199.69 : 691,149.24 = 217,781.04 : x
  2. Step 2: Convert to fraction form
    461,199.69/691,149.24 = 217,781.04/x
  3. Step 3: Cross multiply
    461,199.69x = 691,149.24 × 217,781.04
  4. Step 4: Simplify right side
    461,199.69x = 150,519,200,282.41
  5. Step 5: Solve for x
    x = 150,519,200,282.41/461,199.69
  6. Step 6: Final answer
    x = 326,364.49

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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.