Home / 1,131,644.18-1,561,647.31-622,346.55

Finding the Fourth Proportional to 1,131,644.18, 1,561,647.31 and 622,346.55

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Solution

The fourth proportional to 1,131,644.18, 1,561,647.31 and 622,346.55 is: 858,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,644.18 : 1,561,647.31 = 622,346.55 : x
  2. Step 2: Convert to fraction form
    1,131,644.18/1,561,647.31 = 622,346.55/x
  3. Step 3: Cross multiply
    1,131,644.18x = 1,561,647.31 × 622,346.55
  4. Step 4: Simplify right side
    1,131,644.18x = 971,885,812,583.55
  5. Step 5: Solve for x
    x = 971,885,812,583.55/1,131,644.18
  6. Step 6: Final answer
    x = 858,826.33

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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.