Home / 1,131,248.94-1,561,083.39-621,947.34

Finding the Fourth Proportional to 1,131,248.94, 1,561,083.39 and 621,947.34

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Solution

The fourth proportional to 1,131,248.94, 1,561,083.39 and 621,947.34 is: 858,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,248.94 : 1,561,083.39 = 621,947.34 : x
  2. Step 2: Convert to fraction form
    1,131,248.94/1,561,083.39 = 621,947.34/x
  3. Step 3: Cross multiply
    1,131,248.94x = 1,561,083.39 × 621,947.34
  4. Step 4: Simplify right side
    1,131,248.94x = 970,911,661,928.68
  5. Step 5: Solve for x
    x = 970,911,661,928.68/1,131,248.94
  6. Step 6: Final answer
    x = 858,265.26

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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.