Home / 981,103.15-1,353,953.07-593,989.57

Finding the Fourth Proportional to 981,103.15, 1,353,953.07 and 593,989.57

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Solution

The fourth proportional to 981,103.15, 1,353,953.07 and 593,989.57 is: 819,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,103.15 : 1,353,953.07 = 593,989.57 : x
  2. Step 2: Convert to fraction form
    981,103.15/1,353,953.07 = 593,989.57/x
  3. Step 3: Cross multiply
    981,103.15x = 1,353,953.07 × 593,989.57
  4. Step 4: Simplify right side
    981,103.15x = 804,234,001,849.48
  5. Step 5: Solve for x
    x = 804,234,001,849.48/981,103.15
  6. Step 6: Final answer
    x = 819,724.21

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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.