Home / 814,343.27-1,123,795.05-451,767.13

Finding the Fourth Proportional to 814,343.27, 1,123,795.05 and 451,767.13

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Solution

The fourth proportional to 814,343.27, 1,123,795.05 and 451,767.13 is: 623,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,343.27 : 1,123,795.05 = 451,767.13 : x
  2. Step 2: Convert to fraction form
    814,343.27/1,123,795.05 = 451,767.13/x
  3. Step 3: Cross multiply
    814,343.27x = 1,123,795.05 × 451,767.13
  4. Step 4: Simplify right side
    814,343.27x = 507,693,659,943.09
  5. Step 5: Solve for x
    x = 507,693,659,943.09/814,343.27
  6. Step 6: Final answer
    x = 623,439.38

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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.