Home / 418,000.28-576,843.77-227,015.03

Finding the Fourth Proportional to 418,000.28, 576,843.77 and 227,015.03

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Solution

The fourth proportional to 418,000.28, 576,843.77 and 227,015.03 is: 313,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,000.28 : 576,843.77 = 227,015.03 : x
  2. Step 2: Convert to fraction form
    418,000.28/576,843.77 = 227,015.03/x
  3. Step 3: Cross multiply
    418,000.28x = 576,843.77 × 227,015.03
  4. Step 4: Simplify right side
    418,000.28x = 130,952,201,732.57
  5. Step 5: Solve for x
    x = 130,952,201,732.57/418,000.28
  6. Step 6: Final answer
    x = 313,282.57

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1.5x scale

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.