Home / 591,867.52-816,778.56-323,612.80

Finding the Fourth Proportional to 591,867.52, 816,778.56 and 323,612.80

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Solution

The fourth proportional to 591,867.52, 816,778.56 and 323,612.80 is: 446,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,867.52 : 816,778.56 = 323,612.80 : x
  2. Step 2: Convert to fraction form
    591,867.52/816,778.56 = 323,612.80/x
  3. Step 3: Cross multiply
    591,867.52x = 816,778.56 × 323,612.80
  4. Step 4: Simplify right side
    591,867.52x = 264,319,996,781.57
  5. Step 5: Solve for x
    x = 264,319,996,781.57/591,867.52
  6. Step 6: Final answer
    x = 446,586.42

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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.