Home / 591,842.26-816,748.29-319,915.42

Finding the Fourth Proportional to 591,842.26, 816,748.29 and 319,915.42

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Solution

The fourth proportional to 591,842.26, 816,748.29 and 319,915.42 is: 441,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,842.26 : 816,748.29 = 319,915.42 : x
  2. Step 2: Convert to fraction form
    591,842.26/816,748.29 = 319,915.42/x
  3. Step 3: Cross multiply
    591,842.26x = 816,748.29 × 319,915.42
  4. Step 4: Simplify right side
    591,842.26x = 261,290,372,229.63
  5. Step 5: Solve for x
    x = 261,290,372,229.63/591,842.26
  6. Step 6: Final answer
    x = 441,486.51

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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.