Home / 1,279,981.24-1,766,333.99-699,195.04

Finding the Fourth Proportional to 1,279,981.24, 1,766,333.99 and 699,195.04

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Solution

The fourth proportional to 1,279,981.24, 1,766,333.99 and 699,195.04 is: 964,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,981.24 : 1,766,333.99 = 699,195.04 : x
  2. Step 2: Convert to fraction form
    1,279,981.24/1,766,333.99 = 699,195.04/x
  3. Step 3: Cross multiply
    1,279,981.24x = 1,766,333.99 × 699,195.04
  4. Step 4: Simplify right side
    1,279,981.24x = 1,235,011,962,123.56
  5. Step 5: Solve for x
    x = 1,235,011,962,123.56/1,279,981.24
  6. Step 6: Final answer
    x = 964,867.24

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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.