Home / 1,131,494.28-1,561,396.95-622,197.06

Finding the Fourth Proportional to 1,131,494.28, 1,561,396.95 and 622,197.06

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Solution

The fourth proportional to 1,131,494.28, 1,561,396.95 and 622,197.06 is: 858,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,494.28 : 1,561,396.95 = 622,197.06 : x
  2. Step 2: Convert to fraction form
    1,131,494.28/1,561,396.95 = 622,197.06/x
  3. Step 3: Cross multiply
    1,131,494.28x = 1,561,396.95 × 622,197.06
  4. Step 4: Simplify right side
    1,131,494.28x = 971,496,591,782.97
  5. Step 5: Solve for x
    x = 971,496,591,782.97/1,131,494.28
  6. Step 6: Final answer
    x = 858,596.11

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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.