Home / 591,185.44-815,968.79-387,117.83

Finding the Fourth Proportional to 591,185.44, 815,968.79 and 387,117.83

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Solution

The fourth proportional to 591,185.44, 815,968.79 and 387,117.83 is: 534,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,185.44 : 815,968.79 = 387,117.83 : x
  2. Step 2: Convert to fraction form
    591,185.44/815,968.79 = 387,117.83/x
  3. Step 3: Cross multiply
    591,185.44x = 815,968.79 × 387,117.83
  4. Step 4: Simplify right side
    591,185.44x = 315,876,072,596.03
  5. Step 5: Solve for x
    x = 315,876,072,596.03/591,185.44
  6. Step 6: Final answer
    x = 534,309.63

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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.