Home / 856,108.22-1,181,414.85-474,126.80

Finding the Fourth Proportional to 856,108.22, 1,181,414.85 and 474,126.80

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Solution

The fourth proportional to 856,108.22, 1,181,414.85 and 474,126.80 is: 654,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,108.22 : 1,181,414.85 = 474,126.80 : x
  2. Step 2: Convert to fraction form
    856,108.22/1,181,414.85 = 474,126.80/x
  3. Step 3: Cross multiply
    856,108.22x = 1,181,414.85 × 474,126.80
  4. Step 4: Simplify right side
    856,108.22x = 560,140,442,302.98
  5. Step 5: Solve for x
    x = 560,140,442,302.98/856,108.22
  6. Step 6: Final answer
    x = 654,286.96

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Double scale
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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.