Home / 1,131,626.68-1,561,613.66-622,329

Finding the Fourth Proportional to 1,131,626.68, 1,561,613.66 and 622,329

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Solution

The fourth proportional to 1,131,626.68, 1,561,613.66 and 622,329 is: 858,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,626.68 : 1,561,613.66 = 622,329 : x
  2. Step 2: Convert to fraction form
    1,131,626.68/1,561,613.66 = 622,329/x
  3. Step 3: Cross multiply
    1,131,626.68x = 1,561,613.66 × 622,329
  4. Step 4: Simplify right side
    1,131,626.68x = 971,837,467,414.14
  5. Step 5: Solve for x
    x = 971,837,467,414.14/1,131,626.68
  6. Step 6: Final answer
    x = 858,796.88

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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.