Home / 1,080,581.76-1,491,260.24-621,766.08

Finding the Fourth Proportional to 1,080,581.76, 1,491,260.24 and 621,766.08

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Solution

The fourth proportional to 1,080,581.76, 1,491,260.24 and 621,766.08 is: 858,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,581.76 : 1,491,260.24 = 621,766.08 : x
  2. Step 2: Convert to fraction form
    1,080,581.76/1,491,260.24 = 621,766.08/x
  3. Step 3: Cross multiply
    1,080,581.76x = 1,491,260.24 × 621,766.08
  4. Step 4: Simplify right side
    1,080,581.76x = 927,215,033,684.66
  5. Step 5: Solve for x
    x = 927,215,033,684.66/1,080,581.76
  6. Step 6: Final answer
    x = 858,070.22

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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.