Home / 1,253,406.53-1,729,722.16-680,446.69

Finding the Fourth Proportional to 1,253,406.53, 1,729,722.16 and 680,446.69

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Solution

The fourth proportional to 1,253,406.53, 1,729,722.16 and 680,446.69 is: 939,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,406.53 : 1,729,722.16 = 680,446.69 : x
  2. Step 2: Convert to fraction form
    1,253,406.53/1,729,722.16 = 680,446.69/x
  3. Step 3: Cross multiply
    1,253,406.53x = 1,729,722.16 × 680,446.69
  4. Step 4: Simplify right side
    1,253,406.53x = 1,176,983,714,917.90
  5. Step 5: Solve for x
    x = 1,176,983,714,917.90/1,253,406.53
  6. Step 6: Final answer
    x = 939,027.91

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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.