Home / 777,098.07-1,165,712.70-216,132.57

Finding the Fourth Proportional to 777,098.07, 1,165,712.70 and 216,132.57

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Solution

The fourth proportional to 777,098.07, 1,165,712.70 and 216,132.57 is: 324,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,098.07 : 1,165,712.70 = 216,132.57 : x
  2. Step 2: Convert to fraction form
    777,098.07/1,165,712.70 = 216,132.57/x
  3. Step 3: Cross multiply
    777,098.07x = 1,165,712.70 × 216,132.57
  4. Step 4: Simplify right side
    777,098.07x = 251,948,481,732.64
  5. Step 5: Solve for x
    x = 251,948,481,732.64/777,098.07
  6. Step 6: Final answer
    x = 324,217.10

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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.