Home / 1,080,854.96-1,491,540.04-622,040.12

Finding the Fourth Proportional to 1,080,854.96, 1,491,540.04 and 622,040.12

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Solution

The fourth proportional to 1,080,854.96, 1,491,540.04 and 622,040.12 is: 858,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,854.96 : 1,491,540.04 = 622,040.12 : x
  2. Step 2: Convert to fraction form
    1,080,854.96/1,491,540.04 = 622,040.12/x
  3. Step 3: Cross multiply
    1,080,854.96x = 1,491,540.04 × 622,040.12
  4. Step 4: Simplify right side
    1,080,854.96x = 927,797,745,466.41
  5. Step 5: Solve for x
    x = 927,797,745,466.41/1,080,854.96
  6. Step 6: Final answer
    x = 858,392.46

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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.