Home / 1,257,178.43-1,734,943.11-684,255.71

Finding the Fourth Proportional to 1,257,178.43, 1,734,943.11 and 684,255.71

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Solution

The fourth proportional to 1,257,178.43, 1,734,943.11 and 684,255.71 is: 944,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,178.43 : 1,734,943.11 = 684,255.71 : x
  2. Step 2: Convert to fraction form
    1,257,178.43/1,734,943.11 = 684,255.71/x
  3. Step 3: Cross multiply
    1,257,178.43x = 1,734,943.11 × 684,255.71
  4. Step 4: Simplify right side
    1,257,178.43x = 1,187,144,729,542.66
  5. Step 5: Solve for x
    x = 1,187,144,729,542.66/1,257,178.43
  6. Step 6: Final answer
    x = 944,292.95

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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.