Home / 822,080.70-1,231,371.45-682,112.70

Finding the Fourth Proportional to 822,080.70, 1,231,371.45 and 682,112.70

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Solution

The fourth proportional to 822,080.70, 1,231,371.45 and 682,112.70 is: 1,021,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,080.70 : 1,231,371.45 = 682,112.70 : x
  2. Step 2: Convert to fraction form
    822,080.70/1,231,371.45 = 682,112.70/x
  3. Step 3: Cross multiply
    822,080.70x = 1,231,371.45 × 682,112.70
  4. Step 4: Simplify right side
    822,080.70x = 839,934,104,462.42
  5. Step 5: Solve for x
    x = 839,934,104,462.42/822,080.70
  6. Step 6: Final answer
    x = 1,021,717.34

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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.