Home / 981,588.06-1,469,756.16-576,446.31

Finding the Fourth Proportional to 981,588.06, 1,469,756.16 and 576,446.31

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Solution

The fourth proportional to 981,588.06, 1,469,756.16 and 576,446.31 is: 863,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,588.06 : 1,469,756.16 = 576,446.31 : x
  2. Step 2: Convert to fraction form
    981,588.06/1,469,756.16 = 576,446.31/x
  3. Step 3: Cross multiply
    981,588.06x = 1,469,756.16 × 576,446.31
  4. Step 4: Simplify right side
    981,588.06x = 847,235,515,031.77
  5. Step 5: Solve for x
    x = 847,235,515,031.77/981,588.06
  6. Step 6: Final answer
    x = 863,127.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.