Home / 1,131,608.66-1,561,588.80-622,311.02

Finding the Fourth Proportional to 1,131,608.66, 1,561,588.80 and 622,311.02

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Solution

The fourth proportional to 1,131,608.66, 1,561,588.80 and 622,311.02 is: 858,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,608.66 : 1,561,588.80 = 622,311.02 : x
  2. Step 2: Convert to fraction form
    1,131,608.66/1,561,588.80 = 622,311.02/x
  3. Step 3: Cross multiply
    1,131,608.66x = 1,561,588.80 × 622,311.02
  4. Step 4: Simplify right side
    1,131,608.66x = 971,793,918,948.58
  5. Step 5: Solve for x
    x = 971,793,918,948.58/1,131,608.66
  6. Step 6: Final answer
    x = 858,772.08

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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.