Home / 418,177.21-577,087.31-227,190.55

Finding the Fourth Proportional to 418,177.21, 577,087.31 and 227,190.55

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Solution

The fourth proportional to 418,177.21, 577,087.31 and 227,190.55 is: 313,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,177.21 : 577,087.31 = 227,190.55 : x
  2. Step 2: Convert to fraction form
    418,177.21/577,087.31 = 227,190.55/x
  3. Step 3: Cross multiply
    418,177.21x = 577,087.31 × 227,190.55
  4. Step 4: Simplify right side
    418,177.21x = 131,108,783,356.92
  5. Step 5: Solve for x
    x = 131,108,783,356.92/418,177.21
  6. Step 6: Final answer
    x = 313,524.46

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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.