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Finding the Fourth Proportional to 1,788,092.65, 2,466,963.96 and 1,013,640.44

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Solution

The fourth proportional to 1,788,092.65, 2,466,963.96 and 1,013,640.44 is: 1,398,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,092.65 : 2,466,963.96 = 1,013,640.44 : x
  2. Step 2: Convert to fraction form
    1,788,092.65/2,466,963.96 = 1,013,640.44/x
  3. Step 3: Cross multiply
    1,788,092.65x = 2,466,963.96 × 1,013,640.44
  4. Step 4: Simplify right side
    1,788,092.65x = 2,500,614,433,878.54
  5. Step 5: Solve for x
    x = 2,500,614,433,878.54/1,788,092.65
  6. Step 6: Final answer
    x = 1,398,481.47

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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.