Home / 980,687.76-1,353,383.94-550,959.24

Finding the Fourth Proportional to 980,687.76, 1,353,383.94 and 550,959.24

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Solution

The fourth proportional to 980,687.76, 1,353,383.94 and 550,959.24 is: 760,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,687.76 : 1,353,383.94 = 550,959.24 : x
  2. Step 2: Convert to fraction form
    980,687.76/1,353,383.94 = 550,959.24/x
  3. Step 3: Cross multiply
    980,687.76x = 1,353,383.94 × 550,959.24
  4. Step 4: Simplify right side
    980,687.76x = 745,659,387,010.61
  5. Step 5: Solve for x
    x = 745,659,387,010.61/980,687.76
  6. Step 6: Final answer
    x = 760,343.32

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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.