Home / 861,499.25-1,292,248.57-230,396.66

Finding the Fourth Proportional to 861,499.25, 1,292,248.57 and 230,396.66

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Solution

The fourth proportional to 861,499.25, 1,292,248.57 and 230,396.66 is: 345,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,499.25 : 1,292,248.57 = 230,396.66 : x
  2. Step 2: Convert to fraction form
    861,499.25/1,292,248.57 = 230,396.66/x
  3. Step 3: Cross multiply
    861,499.25x = 1,292,248.57 × 230,396.66
  4. Step 4: Simplify right side
    861,499.25x = 297,729,754,417.78
  5. Step 5: Solve for x
    x = 297,729,754,417.78/861,499.25
  6. Step 6: Final answer
    x = 345,594.91

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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.