Home / 1,276,453.26-1,761,475.17-695,694.78

Finding the Fourth Proportional to 1,276,453.26, 1,761,475.17 and 695,694.78

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Solution

The fourth proportional to 1,276,453.26, 1,761,475.17 and 695,694.78 is: 960,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,453.26 : 1,761,475.17 = 695,694.78 : x
  2. Step 2: Convert to fraction form
    1,276,453.26/1,761,475.17 = 695,694.78/x
  3. Step 3: Cross multiply
    1,276,453.26x = 1,761,475.17 × 695,694.78
  4. Step 4: Simplify right side
    1,276,453.26x = 1,225,449,080,868.61
  5. Step 5: Solve for x
    x = 1,225,449,080,868.61/1,276,453.26
  6. Step 6: Final answer
    x = 960,042.27

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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.