Home / 1,131,623.68-1,561,609.52-622,326

Finding the Fourth Proportional to 1,131,623.68, 1,561,609.52 and 622,326

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Solution

The fourth proportional to 1,131,623.68, 1,561,609.52 and 622,326 is: 858,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,623.68 : 1,561,609.52 = 622,326 : x
  2. Step 2: Convert to fraction form
    1,131,623.68/1,561,609.52 = 622,326/x
  3. Step 3: Cross multiply
    1,131,623.68x = 1,561,609.52 × 622,326
  4. Step 4: Simplify right side
    1,131,623.68x = 971,830,206,143.52
  5. Step 5: Solve for x
    x = 971,830,206,143.52/1,131,623.68
  6. Step 6: Final answer
    x = 858,792.74

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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.