Home / 1,131,608.16-1,561,588.11-622,310.54

Finding the Fourth Proportional to 1,131,608.16, 1,561,588.11 and 622,310.54

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Solution

The fourth proportional to 1,131,608.16, 1,561,588.11 and 622,310.54 is: 858,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,608.16 : 1,561,588.11 = 622,310.54 : x
  2. Step 2: Convert to fraction form
    1,131,608.16/1,561,588.11 = 622,310.54/x
  3. Step 3: Cross multiply
    1,131,608.16x = 1,561,588.11 × 622,310.54
  4. Step 4: Simplify right side
    1,131,608.16x = 971,792,732,183.74
  5. Step 5: Solve for x
    x = 971,792,732,183.74/1,131,608.16
  6. Step 6: Final answer
    x = 858,771.41

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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.