Home / 994,408.60-1,491,612.90-573,338.20

Finding the Fourth Proportional to 994,408.60, 1,491,612.90 and 573,338.20

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Solution

The fourth proportional to 994,408.60, 1,491,612.90 and 573,338.20 is: 860,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,408.60 : 1,491,612.90 = 573,338.20 : x
  2. Step 2: Convert to fraction form
    994,408.60/1,491,612.90 = 573,338.20/x
  3. Step 3: Cross multiply
    994,408.60x = 1,491,612.90 × 573,338.20
  4. Step 4: Simplify right side
    994,408.60x = 855,198,655,182.78
  5. Step 5: Solve for x
    x = 855,198,655,182.78/994,408.60
  6. Step 6: Final answer
    x = 860,007.30

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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.