Home / 591,846.55-816,747.71-319,914.43

Finding the Fourth Proportional to 591,846.55, 816,747.71 and 319,914.43

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Solution

The fourth proportional to 591,846.55, 816,747.71 and 319,914.43 is: 441,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,846.55 : 816,747.71 = 319,914.43 : x
  2. Step 2: Convert to fraction form
    591,846.55/816,747.71 = 319,914.43/x
  3. Step 3: Cross multiply
    591,846.55x = 816,747.71 × 319,914.43
  4. Step 4: Simplify right side
    591,846.55x = 261,289,374,457.01
  5. Step 5: Solve for x
    x = 261,289,374,457.01/591,846.55
  6. Step 6: Final answer
    x = 441,481.62

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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.