Home / 1,131,341.68-1,561,257.30-622,076.80

Finding the Fourth Proportional to 1,131,341.68, 1,561,257.30 and 622,076.80

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Solution

The fourth proportional to 1,131,341.68, 1,561,257.30 and 622,076.80 is: 858,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,341.68 : 1,561,257.30 = 622,076.80 : x
  2. Step 2: Convert to fraction form
    1,131,341.68/1,561,257.30 = 622,076.80/x
  3. Step 3: Cross multiply
    1,131,341.68x = 1,561,257.30 × 622,076.80
  4. Step 4: Simplify right side
    1,131,341.68x = 971,221,945,160.64
  5. Step 5: Solve for x
    x = 971,221,945,160.64/1,131,341.68
  6. Step 6: Final answer
    x = 858,469.16

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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.