Home / 418,221.74-577,151.25-227,238.32

Finding the Fourth Proportional to 418,221.74, 577,151.25 and 227,238.32

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Solution

The fourth proportional to 418,221.74, 577,151.25 and 227,238.32 is: 313,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,221.74 : 577,151.25 = 227,238.32 : x
  2. Step 2: Convert to fraction form
    418,221.74/577,151.25 = 227,238.32/x
  3. Step 3: Cross multiply
    418,221.74x = 577,151.25 × 227,238.32
  4. Step 4: Simplify right side
    418,221.74x = 131,150,880,435.90
  5. Step 5: Solve for x
    x = 131,150,880,435.90/418,221.74
  6. Step 6: Final answer
    x = 313,591.73

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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.