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Finding the Fourth Proportional to 1,753,597, 2,419,963.86 and 948,781

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Solution

The fourth proportional to 1,753,597, 2,419,963.86 and 948,781 is: 1,309,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,597 : 2,419,963.86 = 948,781 : x
  2. Step 2: Convert to fraction form
    1,753,597/2,419,963.86 = 948,781/x
  3. Step 3: Cross multiply
    1,753,597x = 2,419,963.86 × 948,781
  4. Step 4: Simplify right side
    1,753,597x = 2,296,015,731,054.66
  5. Step 5: Solve for x
    x = 2,296,015,731,054.66/1,753,597
  6. Step 6: Final answer
    x = 1,309,317.78

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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.