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Finding the Fourth Proportional to 1,261,493.82, 1,741,087.17 and 752,229

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Solution

The fourth proportional to 1,261,493.82, 1,741,087.17 and 752,229 is: 1,038,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,493.82 : 1,741,087.17 = 752,229 : x
  2. Step 2: Convert to fraction form
    1,261,493.82/1,741,087.17 = 752,229/x
  3. Step 3: Cross multiply
    1,261,493.82x = 1,741,087.17 × 752,229
  4. Step 4: Simplify right side
    1,261,493.82x = 1,309,696,260,801.93
  5. Step 5: Solve for x
    x = 1,309,696,260,801.93/1,261,493.82
  6. Step 6: Final answer
    x = 1,038,210.60

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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.