Home / 1,253,039.10-1,729,194.69-680,079.27

Finding the Fourth Proportional to 1,253,039.10, 1,729,194.69 and 680,079.27

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Solution

The fourth proportional to 1,253,039.10, 1,729,194.69 and 680,079.27 is: 938,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,039.10 : 1,729,194.69 = 680,079.27 : x
  2. Step 2: Convert to fraction form
    1,253,039.10/1,729,194.69 = 680,079.27/x
  3. Step 3: Cross multiply
    1,253,039.10x = 1,729,194.69 × 680,079.27
  4. Step 4: Simplify right side
    1,253,039.10x = 1,175,989,453,817.10
  5. Step 5: Solve for x
    x = 1,175,989,453,817.10/1,253,039.10
  6. Step 6: Final answer
    x = 938,509.79

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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.