Home / 801,041.92-1,105,362.24-478,687.84

Finding the Fourth Proportional to 801,041.92, 1,105,362.24 and 478,687.84

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Solution

The fourth proportional to 801,041.92, 1,105,362.24 and 478,687.84 is: 660,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,041.92 : 1,105,362.24 = 478,687.84 : x
  2. Step 2: Convert to fraction form
    801,041.92/1,105,362.24 = 478,687.84/x
  3. Step 3: Cross multiply
    801,041.92x = 1,105,362.24 × 478,687.84
  4. Step 4: Simplify right side
    801,041.92x = 529,123,463,083.16
  5. Step 5: Solve for x
    x = 529,123,463,083.16/801,041.92
  6. Step 6: Final answer
    x = 660,544.04

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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.