Home / 1,131,195.13-1,561,009.39-621,893.59

Finding the Fourth Proportional to 1,131,195.13, 1,561,009.39 and 621,893.59

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Solution

The fourth proportional to 1,131,195.13, 1,561,009.39 and 621,893.59 is: 858,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,195.13 : 1,561,009.39 = 621,893.59 : x
  2. Step 2: Convert to fraction form
    1,131,195.13/1,561,009.39 = 621,893.59/x
  3. Step 3: Cross multiply
    1,131,195.13x = 1,561,009.39 × 621,893.59
  4. Step 4: Simplify right side
    1,131,195.13x = 970,781,733,570.81
  5. Step 5: Solve for x
    x = 970,781,733,570.81/1,131,195.13
  6. Step 6: Final answer
    x = 858,191.22

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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.