Home / 1,131,447.06-1,561,396.95-622,149.44

Finding the Fourth Proportional to 1,131,447.06, 1,561,396.95 and 622,149.44

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Solution

The fourth proportional to 1,131,447.06, 1,561,396.95 and 622,149.44 is: 858,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,447.06 : 1,561,396.95 = 622,149.44 : x
  2. Step 2: Convert to fraction form
    1,131,447.06/1,561,396.95 = 622,149.44/x
  3. Step 3: Cross multiply
    1,131,447.06x = 1,561,396.95 × 622,149.44
  4. Step 4: Simplify right side
    1,131,447.06x = 971,422,230,253.22
  5. Step 5: Solve for x
    x = 971,422,230,253.22/1,131,447.06
  6. Step 6: Final answer
    x = 858,566.22

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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.