Home / 770,972.44-1,063,791.20-484,326.48

Finding the Fourth Proportional to 770,972.44, 1,063,791.20 and 484,326.48

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Solution

The fourth proportional to 770,972.44, 1,063,791.20 and 484,326.48 is: 668,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,972.44 : 1,063,791.20 = 484,326.48 : x
  2. Step 2: Convert to fraction form
    770,972.44/1,063,791.20 = 484,326.48/x
  3. Step 3: Cross multiply
    770,972.44x = 1,063,791.20 × 484,326.48
  4. Step 4: Simplify right side
    770,972.44x = 515,222,247,350.98
  5. Step 5: Solve for x
    x = 515,222,247,350.98/770,972.44
  6. Step 6: Final answer
    x = 668,275.83

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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.