Home / 418,008.14-576,847.98-227,021.54

Finding the Fourth Proportional to 418,008.14, 576,847.98 and 227,021.54

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Solution

The fourth proportional to 418,008.14, 576,847.98 and 227,021.54 is: 313,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,008.14 : 576,847.98 = 227,021.54 : x
  2. Step 2: Convert to fraction form
    418,008.14/576,847.98 = 227,021.54/x
  3. Step 3: Cross multiply
    418,008.14x = 576,847.98 × 227,021.54
  4. Step 4: Simplify right side
    418,008.14x = 130,956,913,881.25
  5. Step 5: Solve for x
    x = 130,956,913,881.25/418,008.14
  6. Step 6: Final answer
    x = 313,287.95

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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.