Home / 726,806.74-1,002,983.16-404,516.92

Finding the Fourth Proportional to 726,806.74, 1,002,983.16 and 404,516.92

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Solution

The fourth proportional to 726,806.74, 1,002,983.16 and 404,516.92 is: 558,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,806.74 : 1,002,983.16 = 404,516.92 : x
  2. Step 2: Convert to fraction form
    726,806.74/1,002,983.16 = 404,516.92/x
  3. Step 3: Cross multiply
    726,806.74x = 1,002,983.16 × 404,516.92
  4. Step 4: Simplify right side
    726,806.74x = 405,723,658,695.07
  5. Step 5: Solve for x
    x = 405,723,658,695.07/726,806.74
  6. Step 6: Final answer
    x = 558,227.71

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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.