Home / 814,072.76-1,123,489.41-451,613.39

Finding the Fourth Proportional to 814,072.76, 1,123,489.41 and 451,613.39

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Solution

The fourth proportional to 814,072.76, 1,123,489.41 and 451,613.39 is: 623,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,072.76 : 1,123,489.41 = 451,613.39 : x
  2. Step 2: Convert to fraction form
    814,072.76/1,123,489.41 = 451,613.39/x
  3. Step 3: Cross multiply
    814,072.76x = 1,123,489.41 × 451,613.39
  4. Step 4: Simplify right side
    814,072.76x = 507,382,860,087.83
  5. Step 5: Solve for x
    x = 507,382,860,087.83/814,072.76
  6. Step 6: Final answer
    x = 623,264.75

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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.