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Finding the Fourth Proportional to 1,363,568.92, 1,881,789.18 and 759,961.24

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Solution

The fourth proportional to 1,363,568.92, 1,881,789.18 and 759,961.24 is: 1,048,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,568.92 : 1,881,789.18 = 759,961.24 : x
  2. Step 2: Convert to fraction form
    1,363,568.92/1,881,789.18 = 759,961.24/x
  3. Step 3: Cross multiply
    1,363,568.92x = 1,881,789.18 × 759,961.24
  4. Step 4: Simplify right side
    1,363,568.92x = 1,430,086,838,651.38
  5. Step 5: Solve for x
    x = 1,430,086,838,651.38/1,363,568.92
  6. Step 6: Final answer
    x = 1,048,782.22

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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.