Home / 866,098.80-1,299,148.20-547,234.20

Finding the Fourth Proportional to 866,098.80, 1,299,148.20 and 547,234.20

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Solution

The fourth proportional to 866,098.80, 1,299,148.20 and 547,234.20 is: 820,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,098.80 : 1,299,148.20 = 547,234.20 : x
  2. Step 2: Convert to fraction form
    866,098.80/1,299,148.20 = 547,234.20/x
  3. Step 3: Cross multiply
    866,098.80x = 1,299,148.20 × 547,234.20
  4. Step 4: Simplify right side
    866,098.80x = 710,938,325,908.44
  5. Step 5: Solve for x
    x = 710,938,325,908.44/866,098.80
  6. Step 6: Final answer
    x = 820,851.30

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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.