Home / 418,333.26-577,304.40-227,346.69

Finding the Fourth Proportional to 418,333.26, 577,304.40 and 227,346.69

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Solution

The fourth proportional to 418,333.26, 577,304.40 and 227,346.69 is: 313,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,333.26 : 577,304.40 = 227,346.69 : x
  2. Step 2: Convert to fraction form
    418,333.26/577,304.40 = 227,346.69/x
  3. Step 3: Cross multiply
    418,333.26x = 577,304.40 × 227,346.69
  4. Step 4: Simplify right side
    418,333.26x = 131,248,244,462.44
  5. Step 5: Solve for x
    x = 131,248,244,462.44/418,333.26
  6. Step 6: Final answer
    x = 313,740.88

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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.