Home / 1,253,039.60-1,729,195.38-680,079.77

Finding the Fourth Proportional to 1,253,039.60, 1,729,195.38 and 680,079.77

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Solution

The fourth proportional to 1,253,039.60, 1,729,195.38 and 680,079.77 is: 938,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,039.60 : 1,729,195.38 = 680,079.77 : x
  2. Step 2: Convert to fraction form
    1,253,039.60/1,729,195.38 = 680,079.77/x
  3. Step 3: Cross multiply
    1,253,039.60x = 1,729,195.38 × 680,079.77
  4. Step 4: Simplify right side
    1,253,039.60x = 1,175,990,796,315.46
  5. Step 5: Solve for x
    x = 1,175,990,796,315.46/1,253,039.60
  6. Step 6: Final answer
    x = 938,510.48

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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.