Home / 981,103.90-1,353,954.11-593,990.32

Finding the Fourth Proportional to 981,103.90, 1,353,954.11 and 593,990.32

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Solution

The fourth proportional to 981,103.90, 1,353,954.11 and 593,990.32 is: 819,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,103.90 : 1,353,954.11 = 593,990.32 : x
  2. Step 2: Convert to fraction form
    981,103.90/1,353,954.11 = 593,990.32/x
  3. Step 3: Cross multiply
    981,103.90x = 1,353,954.11 × 593,990.32
  4. Step 4: Simplify right side
    981,103.90x = 804,235,635,064.22
  5. Step 5: Solve for x
    x = 804,235,635,064.22/981,103.90
  6. Step 6: Final answer
    x = 819,725.25

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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.