Home / 1,145,712.92-1,718,891.12-336,116.43

Finding the Fourth Proportional to 1,145,712.92, 1,718,891.12 and 336,116.43

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Solution

The fourth proportional to 1,145,712.92, 1,718,891.12 and 336,116.43 is: 504,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,712.92 : 1,718,891.12 = 336,116.43 : x
  2. Step 2: Convert to fraction form
    1,145,712.92/1,718,891.12 = 336,116.43/x
  3. Step 3: Cross multiply
    1,145,712.92x = 1,718,891.12 × 336,116.43
  4. Step 4: Simplify right side
    1,145,712.92x = 577,747,545,132.52
  5. Step 5: Solve for x
    x = 577,747,545,132.52/1,145,712.92
  6. Step 6: Final answer
    x = 504,269.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.