Home / 1,131,194.36-1,561,034.22-621,892.28

Finding the Fourth Proportional to 1,131,194.36, 1,561,034.22 and 621,892.28

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Solution

The fourth proportional to 1,131,194.36, 1,561,034.22 and 621,892.28 is: 858,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,194.36 : 1,561,034.22 = 621,892.28 : x
  2. Step 2: Convert to fraction form
    1,131,194.36/1,561,034.22 = 621,892.28/x
  3. Step 3: Cross multiply
    1,131,194.36x = 1,561,034.22 × 621,892.28
  4. Step 4: Simplify right side
    1,131,194.36x = 970,795,130,233.82
  5. Step 5: Solve for x
    x = 970,795,130,233.82/1,131,194.36
  6. Step 6: Final answer
    x = 858,203.65

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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.