Home / 1,859,129.60-2,565,013.92-1,043,213.36

Finding the Fourth Proportional to 1,859,129.60, 2,565,013.92 and 1,043,213.36

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Solution

The fourth proportional to 1,859,129.60, 2,565,013.92 and 1,043,213.36 is: 1,439,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,129.60 : 2,565,013.92 = 1,043,213.36 : x
  2. Step 2: Convert to fraction form
    1,859,129.60/2,565,013.92 = 1,043,213.36/x
  3. Step 3: Cross multiply
    1,859,129.60x = 2,565,013.92 × 1,043,213.36
  4. Step 4: Simplify right side
    1,859,129.60x = 2,675,856,789,929.97
  5. Step 5: Solve for x
    x = 2,675,856,789,929.97/1,859,129.60
  6. Step 6: Final answer
    x = 1,439,306.22

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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.