Home / 591,377.09-816,100.68-319,444.97

Finding the Fourth Proportional to 591,377.09, 816,100.68 and 319,444.97

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Solution

The fourth proportional to 591,377.09, 816,100.68 and 319,444.97 is: 440,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,377.09 : 816,100.68 = 319,444.97 : x
  2. Step 2: Convert to fraction form
    591,377.09/816,100.68 = 319,444.97/x
  3. Step 3: Cross multiply
    591,377.09x = 816,100.68 × 319,444.97
  4. Step 4: Simplify right side
    591,377.09x = 260,699,255,199.33
  5. Step 5: Solve for x
    x = 260,699,255,199.33/591,377.09
  6. Step 6: Final answer
    x = 440,834.22

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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.