Home / 418,132.68-577,019.91-227,147.43

Finding the Fourth Proportional to 418,132.68, 577,019.91 and 227,147.43

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Solution

The fourth proportional to 418,132.68, 577,019.91 and 227,147.43 is: 313,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,132.68 : 577,019.91 = 227,147.43 : x
  2. Step 2: Convert to fraction form
    418,132.68/577,019.91 = 227,147.43/x
  3. Step 3: Cross multiply
    418,132.68x = 577,019.91 × 227,147.43
  4. Step 4: Simplify right side
    418,132.68x = 131,068,589,615.33
  5. Step 5: Solve for x
    x = 131,068,589,615.33/418,132.68
  6. Step 6: Final answer
    x = 313,461.72

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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.