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Finding the Fourth Proportional to 1,301,160.38, 1,795,789.88 and 749,768.82

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Solution

The fourth proportional to 1,301,160.38, 1,795,789.88 and 749,768.82 is: 1,034,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,160.38 : 1,795,789.88 = 749,768.82 : x
  2. Step 2: Convert to fraction form
    1,301,160.38/1,795,789.88 = 749,768.82/x
  3. Step 3: Cross multiply
    1,301,160.38x = 1,795,789.88 × 749,768.82
  4. Step 4: Simplify right side
    1,301,160.38x = 1,346,427,259,295.54
  5. Step 5: Solve for x
    x = 1,346,427,259,295.54/1,301,160.38
  6. Step 6: Final answer
    x = 1,034,789.62

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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.