Home / 1,761,375.80-2,640,314.10-813,092.60

Finding the Fourth Proportional to 1,761,375.80, 2,640,314.10 and 813,092.60

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Solution

The fourth proportional to 1,761,375.80, 2,640,314.10 and 813,092.60 is: 1,218,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,375.80 : 2,640,314.10 = 813,092.60 : x
  2. Step 2: Convert to fraction form
    1,761,375.80/2,640,314.10 = 813,092.60/x
  3. Step 3: Cross multiply
    1,761,375.80x = 2,640,314.10 × 813,092.60
  4. Step 4: Simplify right side
    1,761,375.80x = 2,146,819,856,385.66
  5. Step 5: Solve for x
    x = 2,146,819,856,385.66/1,761,375.80
  6. Step 6: Final answer
    x = 1,218,831.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.