Home / 827,916.75-1,241,859.62-451,234.69

Finding the Fourth Proportional to 827,916.75, 1,241,859.62 and 451,234.69

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Solution

The fourth proportional to 827,916.75, 1,241,859.62 and 451,234.69 is: 676,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,916.75 : 1,241,859.62 = 451,234.69 : x
  2. Step 2: Convert to fraction form
    827,916.75/1,241,859.62 = 451,234.69/x
  3. Step 3: Cross multiply
    827,916.75x = 1,241,859.62 × 451,234.69
  4. Step 4: Simplify right side
    827,916.75x = 560,370,138,677.66
  5. Step 5: Solve for x
    x = 560,370,138,677.66/827,916.75
  6. Step 6: Final answer
    x = 676,843.58

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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.