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Finding the Fourth Proportional to 1,332,366, 1,838,694.24 and 728,754

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Solution

The fourth proportional to 1,332,366, 1,838,694.24 and 728,754 is: 1,005,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,366 : 1,838,694.24 = 728,754 : x
  2. Step 2: Convert to fraction form
    1,332,366/1,838,694.24 = 728,754/x
  3. Step 3: Cross multiply
    1,332,366x = 1,838,694.24 × 728,754
  4. Step 4: Simplify right side
    1,332,366x = 1,339,955,782,176.96
  5. Step 5: Solve for x
    x = 1,339,955,782,176.96/1,332,366
  6. Step 6: Final answer
    x = 1,005,696.47

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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.