Home / 1,131,777.96-1,561,845.42-622,469.40

Finding the Fourth Proportional to 1,131,777.96, 1,561,845.42 and 622,469.40

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Solution

The fourth proportional to 1,131,777.96, 1,561,845.42 and 622,469.40 is: 859,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,777.96 : 1,561,845.42 = 622,469.40 : x
  2. Step 2: Convert to fraction form
    1,131,777.96/1,561,845.42 = 622,469.40/x
  3. Step 3: Cross multiply
    1,131,777.96x = 1,561,845.42 × 622,469.40
  4. Step 4: Simplify right side
    1,131,777.96x = 972,200,981,480.15
  5. Step 5: Solve for x
    x = 972,200,981,480.15/1,131,777.96
  6. Step 6: Final answer
    x = 859,003.28

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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.