Home / 1,131,449.06-1,561,399.71-622,151.44

Finding the Fourth Proportional to 1,131,449.06, 1,561,399.71 and 622,151.44

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Solution

The fourth proportional to 1,131,449.06, 1,561,399.71 and 622,151.44 is: 858,568.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,449.06 : 1,561,399.71 = 622,151.44 : x
  2. Step 2: Convert to fraction form
    1,131,449.06/1,561,399.71 = 622,151.44/x
  3. Step 3: Cross multiply
    1,131,449.06x = 1,561,399.71 × 622,151.44
  4. Step 4: Simplify right side
    1,131,449.06x = 971,427,077,992.08
  5. Step 5: Solve for x
    x = 971,427,077,992.08/1,131,449.06
  6. Step 6: Final answer
    x = 858,568.99

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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.