Home / 1,131,351.60-1,561,264.92-622,086.96

Finding the Fourth Proportional to 1,131,351.60, 1,561,264.92 and 622,086.96

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Solution

The fourth proportional to 1,131,351.60, 1,561,264.92 and 622,086.96 is: 858,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,351.60 : 1,561,264.92 = 622,086.96 : x
  2. Step 2: Convert to fraction form
    1,131,351.60/1,561,264.92 = 622,086.96/x
  3. Step 3: Cross multiply
    1,131,351.60x = 1,561,264.92 × 622,086.96
  4. Step 4: Simplify right side
    1,131,351.60x = 971,242,547,837.44
  5. Step 5: Solve for x
    x = 971,242,547,837.44/1,131,351.60
  6. Step 6: Final answer
    x = 858,479.85

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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.