Home / 866,904.88-1,195,689.72-625,982.80

Finding the Fourth Proportional to 866,904.88, 1,195,689.72 and 625,982.80

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Solution

The fourth proportional to 866,904.88, 1,195,689.72 and 625,982.80 is: 863,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,904.88 : 1,195,689.72 = 625,982.80 : x
  2. Step 2: Convert to fraction form
    866,904.88/1,195,689.72 = 625,982.80/x
  3. Step 3: Cross multiply
    866,904.88x = 1,195,689.72 × 625,982.80
  4. Step 4: Simplify right side
    866,904.88x = 748,481,198,856.82
  5. Step 5: Solve for x
    x = 748,481,198,856.82/866,904.88
  6. Step 6: Final answer
    x = 863,394.84

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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.