Home / 861,330.30-1,291,995.45-595,609.80

Finding the Fourth Proportional to 861,330.30, 1,291,995.45 and 595,609.80

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Solution

The fourth proportional to 861,330.30, 1,291,995.45 and 595,609.80 is: 893,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,330.30 : 1,291,995.45 = 595,609.80 : x
  2. Step 2: Convert to fraction form
    861,330.30/1,291,995.45 = 595,609.80/x
  3. Step 3: Cross multiply
    861,330.30x = 1,291,995.45 × 595,609.80
  4. Step 4: Simplify right side
    861,330.30x = 769,525,151,575.41
  5. Step 5: Solve for x
    x = 769,525,151,575.41/861,330.30
  6. Step 6: Final answer
    x = 893,414.70

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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.