Home / 1,120,649.44-1,546,284.72-667,982.56

Finding the Fourth Proportional to 1,120,649.44, 1,546,284.72 and 667,982.56

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Solution

The fourth proportional to 1,120,649.44, 1,546,284.72 and 667,982.56 is: 921,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,649.44 : 1,546,284.72 = 667,982.56 : x
  2. Step 2: Convert to fraction form
    1,120,649.44/1,546,284.72 = 667,982.56/x
  3. Step 3: Cross multiply
    1,120,649.44x = 1,546,284.72 × 667,982.56
  4. Step 4: Simplify right side
    1,120,649.44x = 1,032,891,225,754.48
  5. Step 5: Solve for x
    x = 1,032,891,225,754.48/1,120,649.44
  6. Step 6: Final answer
    x = 921,689.86

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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.