Home / 814,073.76-1,123,490.79-451,614.39

Finding the Fourth Proportional to 814,073.76, 1,123,490.79 and 451,614.39

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Solution

The fourth proportional to 814,073.76, 1,123,490.79 and 451,614.39 is: 623,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,073.76 : 1,123,490.79 = 451,614.39 : x
  2. Step 2: Convert to fraction form
    814,073.76/1,123,490.79 = 451,614.39/x
  3. Step 3: Cross multiply
    814,073.76x = 1,123,490.79 × 451,614.39
  4. Step 4: Simplify right side
    814,073.76x = 507,384,607,796.47
  5. Step 5: Solve for x
    x = 507,384,607,796.47/814,073.76
  6. Step 6: Final answer
    x = 623,266.14

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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.