Home / 376,475.20-519,563.04-248,929.60

Finding the Fourth Proportional to 376,475.20, 519,563.04 and 248,929.60

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Solution

The fourth proportional to 376,475.20, 519,563.04 and 248,929.60 is: 343,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,475.20 : 519,563.04 = 248,929.60 : x
  2. Step 2: Convert to fraction form
    376,475.20/519,563.04 = 248,929.60/x
  3. Step 3: Cross multiply
    376,475.20x = 519,563.04 × 248,929.60
  4. Step 4: Simplify right side
    376,475.20x = 129,334,619,721.98
  5. Step 5: Solve for x
    x = 129,334,619,721.98/376,475.20
  6. Step 6: Final answer
    x = 343,540.88

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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.