Home / 552,189.25-827,839.79-312,155.07

Finding the Fourth Proportional to 552,189.25, 827,839.79 and 312,155.07

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Solution

The fourth proportional to 552,189.25, 827,839.79 and 312,155.07 is: 467,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,189.25 : 827,839.79 = 312,155.07 : x
  2. Step 2: Convert to fraction form
    552,189.25/827,839.79 = 312,155.07/x
  3. Step 3: Cross multiply
    552,189.25x = 827,839.79 × 312,155.07
  4. Step 4: Simplify right side
    552,189.25x = 258,414,387,596.24
  5. Step 5: Solve for x
    x = 258,414,387,596.24/552,189.25
  6. Step 6: Final answer
    x = 467,981.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.