Home / 726,956.92-1,003,229.94-404,646.52

Finding the Fourth Proportional to 726,956.92, 1,003,229.94 and 404,646.52

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Solution

The fourth proportional to 726,956.92, 1,003,229.94 and 404,646.52 is: 558,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,956.92 : 1,003,229.94 = 404,646.52 : x
  2. Step 2: Convert to fraction form
    726,956.92/1,003,229.94 = 404,646.52/x
  3. Step 3: Cross multiply
    726,956.92x = 1,003,229.94 × 404,646.52
  4. Step 4: Simplify right side
    726,956.92x = 405,953,503,980.81
  5. Step 5: Solve for x
    x = 405,953,503,980.81/726,956.92
  6. Step 6: Final answer
    x = 558,428.56

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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.