Home / 726,782.22-1,002,992.49-404,512.95

Finding the Fourth Proportional to 726,782.22, 1,002,992.49 and 404,512.95

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Solution

The fourth proportional to 726,782.22, 1,002,992.49 and 404,512.95 is: 558,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,782.22 : 1,002,992.49 = 404,512.95 : x
  2. Step 2: Convert to fraction form
    726,782.22/1,002,992.49 = 404,512.95/x
  3. Step 3: Cross multiply
    726,782.22x = 1,002,992.49 × 404,512.95
  4. Step 4: Simplify right side
    726,782.22x = 405,723,454,718.97
  5. Step 5: Solve for x
    x = 405,723,454,718.97/726,782.22
  6. Step 6: Final answer
    x = 558,246.26

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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.