Home / 1,131,725.54-1,561,794.29-622,436.42

Finding the Fourth Proportional to 1,131,725.54, 1,561,794.29 and 622,436.42

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Solution

The fourth proportional to 1,131,725.54, 1,561,794.29 and 622,436.42 is: 858,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,725.54 : 1,561,794.29 = 622,436.42 : x
  2. Step 2: Convert to fraction form
    1,131,725.54/1,561,794.29 = 622,436.42/x
  3. Step 3: Cross multiply
    1,131,725.54x = 1,561,794.29 × 622,436.42
  4. Step 4: Simplify right side
    1,131,725.54x = 972,117,646,644.04
  5. Step 5: Solve for x
    x = 972,117,646,644.04/1,131,725.54
  6. Step 6: Final answer
    x = 858,969.43

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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.