Home / 986,252.10-1,479,378.15-826,819.80

Finding the Fourth Proportional to 986,252.10, 1,479,378.15 and 826,819.80

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Solution

The fourth proportional to 986,252.10, 1,479,378.15 and 826,819.80 is: 1,240,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,252.10 : 1,479,378.15 = 826,819.80 : x
  2. Step 2: Convert to fraction form
    986,252.10/1,479,378.15 = 826,819.80/x
  3. Step 3: Cross multiply
    986,252.10x = 1,479,378.15 × 826,819.80
  4. Step 4: Simplify right side
    986,252.10x = 1,223,179,146,107.37
  5. Step 5: Solve for x
    x = 1,223,179,146,107.37/986,252.10
  6. Step 6: Final answer
    x = 1,240,229.70

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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.