Home / 981,286.25-1,353,976.56-573,309.29

Finding the Fourth Proportional to 981,286.25, 1,353,976.56 and 573,309.29

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Solution

The fourth proportional to 981,286.25, 1,353,976.56 and 573,309.29 is: 791,050.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,286.25 : 1,353,976.56 = 573,309.29 : x
  2. Step 2: Convert to fraction form
    981,286.25/1,353,976.56 = 573,309.29/x
  3. Step 3: Cross multiply
    981,286.25x = 1,353,976.56 × 573,309.29
  4. Step 4: Simplify right side
    981,286.25x = 776,247,343,675.18
  5. Step 5: Solve for x
    x = 776,247,343,675.18/981,286.25
  6. Step 6: Final answer
    x = 791,050.88

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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.