Home / 418,003.43-576,841.48-227,016.83

Finding the Fourth Proportional to 418,003.43, 576,841.48 and 227,016.83

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Solution

The fourth proportional to 418,003.43, 576,841.48 and 227,016.83 is: 313,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,003.43 : 576,841.48 = 227,016.83 : x
  2. Step 2: Convert to fraction form
    418,003.43/576,841.48 = 227,016.83/x
  3. Step 3: Cross multiply
    418,003.43x = 576,841.48 × 227,016.83
  4. Step 4: Simplify right side
    418,003.43x = 130,952,725,076.67
  5. Step 5: Solve for x
    x = 130,952,725,076.67/418,003.43
  6. Step 6: Final answer
    x = 313,281.46

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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.