Home / 418,344.14-577,319.40-227,357.55

Finding the Fourth Proportional to 418,344.14, 577,319.40 and 227,357.55

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Solution

The fourth proportional to 418,344.14, 577,319.40 and 227,357.55 is: 313,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,344.14 : 577,319.40 = 227,357.55 : x
  2. Step 2: Convert to fraction form
    418,344.14/577,319.40 = 227,357.55/x
  3. Step 3: Cross multiply
    418,344.14x = 577,319.40 × 227,357.55
  4. Step 4: Simplify right side
    418,344.14x = 131,257,924,351.47
  5. Step 5: Solve for x
    x = 131,257,924,351.47/418,344.14
  6. Step 6: Final answer
    x = 313,755.86

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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.