Home / 418,011.24-576,856.53-227,020.53

Finding the Fourth Proportional to 418,011.24, 576,856.53 and 227,020.53

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Solution

The fourth proportional to 418,011.24, 576,856.53 and 227,020.53 is: 313,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,011.24 : 576,856.53 = 227,020.53 : x
  2. Step 2: Convert to fraction form
    418,011.24/576,856.53 = 227,020.53/x
  3. Step 3: Cross multiply
    418,011.24x = 576,856.53 × 227,020.53
  4. Step 4: Simplify right side
    418,011.24x = 130,958,275,174.56
  5. Step 5: Solve for x
    x = 130,958,275,174.56/418,011.24
  6. Step 6: Final answer
    x = 313,288.88

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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.