Home / 861,498.25-1,292,247.07-230,395.66

Finding the Fourth Proportional to 861,498.25, 1,292,247.07 and 230,395.66

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Solution

The fourth proportional to 861,498.25, 1,292,247.07 and 230,395.66 is: 345,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,498.25 : 1,292,247.07 = 230,395.66 : x
  2. Step 2: Convert to fraction form
    861,498.25/1,292,247.07 = 230,395.66/x
  3. Step 3: Cross multiply
    861,498.25x = 1,292,247.07 × 230,395.66
  4. Step 4: Simplify right side
    861,498.25x = 297,728,112,769.11
  5. Step 5: Solve for x
    x = 297,728,112,769.11/861,498.25
  6. Step 6: Final answer
    x = 345,593.41

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Half scale
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Double scale
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Similar ratio
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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.