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Finding the Fourth Proportional to 1,023,990, 1,413,637.41 and 748,038

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Solution

The fourth proportional to 1,023,990, 1,413,637.41 and 748,038 is: 1,032,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,990 : 1,413,637.41 = 748,038 : x
  2. Step 2: Convert to fraction form
    1,023,990/1,413,637.41 = 748,038/x
  3. Step 3: Cross multiply
    1,023,990x = 1,413,637.41 × 748,038
  4. Step 4: Simplify right side
    1,023,990x = 1,057,454,500,901.58
  5. Step 5: Solve for x
    x = 1,057,454,500,901.58/1,023,990
  6. Step 6: Final answer
    x = 1,032,680.50

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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.