Home / 1,131,698.37-1,561,773.30-622,414.11

Finding the Fourth Proportional to 1,131,698.37, 1,561,773.30 and 622,414.11

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Solution

The fourth proportional to 1,131,698.37, 1,561,773.30 and 622,414.11 is: 858,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,698.37 : 1,561,773.30 = 622,414.11 : x
  2. Step 2: Convert to fraction form
    1,131,698.37/1,561,773.30 = 622,414.11/x
  3. Step 3: Cross multiply
    1,131,698.37x = 1,561,773.30 × 622,414.11
  4. Step 4: Simplify right side
    1,131,698.37x = 972,069,738,541.26
  5. Step 5: Solve for x
    x = 972,069,738,541.26/1,131,698.37
  6. Step 6: Final answer
    x = 858,947.72

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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.