Home / 807,833.76-1,114,859.28-445,257.12

Finding the Fourth Proportional to 807,833.76, 1,114,859.28 and 445,257.12

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Solution

The fourth proportional to 807,833.76, 1,114,859.28 and 445,257.12 is: 614,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,833.76 : 1,114,859.28 = 445,257.12 : x
  2. Step 2: Convert to fraction form
    807,833.76/1,114,859.28 = 445,257.12/x
  3. Step 3: Cross multiply
    807,833.76x = 1,114,859.28 × 445,257.12
  4. Step 4: Simplify right side
    807,833.76x = 496,399,032,218.07
  5. Step 5: Solve for x
    x = 496,399,032,218.07/807,833.76
  6. Step 6: Final answer
    x = 614,481.66

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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.