Home / 552,627.09-762,563.57-310,992.75

Finding the Fourth Proportional to 552,627.09, 762,563.57 and 310,992.75

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Solution

The fourth proportional to 552,627.09, 762,563.57 and 310,992.75 is: 429,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,627.09 : 762,563.57 = 310,992.75 : x
  2. Step 2: Convert to fraction form
    552,627.09/762,563.57 = 310,992.75/x
  3. Step 3: Cross multiply
    552,627.09x = 762,563.57 × 310,992.75
  4. Step 4: Simplify right side
    552,627.09x = 237,151,740,129.15
  5. Step 5: Solve for x
    x = 237,151,740,129.15/552,627.09
  6. Step 6: Final answer
    x = 429,135.21

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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.