Home / 844,414.76-1,165,294.14-457,234.40

Finding the Fourth Proportional to 844,414.76, 1,165,294.14 and 457,234.40

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Solution

The fourth proportional to 844,414.76, 1,165,294.14 and 457,234.40 is: 630,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,414.76 : 1,165,294.14 = 457,234.40 : x
  2. Step 2: Convert to fraction form
    844,414.76/1,165,294.14 = 457,234.40/x
  3. Step 3: Cross multiply
    844,414.76x = 1,165,294.14 × 457,234.40
  4. Step 4: Simplify right side
    844,414.76x = 532,812,566,926.42
  5. Step 5: Solve for x
    x = 532,812,566,926.42/844,414.76
  6. Step 6: Final answer
    x = 630,984.43

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Half scale
Find fourth proportional to 1,688,829.52, 2,330,588.28 and 914,468.80
Double scale
Find fourth proportional to 844,415.76, 1,165,295.52 and 457,235.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.