Home / 376,865.28-520,104.96-225,959.04

Finding the Fourth Proportional to 376,865.28, 520,104.96 and 225,959.04

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Solution

The fourth proportional to 376,865.28, 520,104.96 and 225,959.04 is: 311,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,865.28 : 520,104.96 = 225,959.04 : x
  2. Step 2: Convert to fraction form
    376,865.28/520,104.96 = 225,959.04/x
  3. Step 3: Cross multiply
    376,865.28x = 520,104.96 × 225,959.04
  4. Step 4: Simplify right side
    376,865.28x = 117,522,417,460.84
  5. Step 5: Solve for x
    x = 117,522,417,460.84/376,865.28
  6. Step 6: Final answer
    x = 311,841.99

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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.