Home / 418,321.06-577,286.67-227,334.40

Finding the Fourth Proportional to 418,321.06, 577,286.67 and 227,334.40

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Solution

The fourth proportional to 418,321.06, 577,286.67 and 227,334.40 is: 313,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,321.06 : 577,286.67 = 227,334.40 : x
  2. Step 2: Convert to fraction form
    418,321.06/577,286.67 = 227,334.40/x
  3. Step 3: Cross multiply
    418,321.06x = 577,286.67 × 227,334.40
  4. Step 4: Simplify right side
    418,321.06x = 131,237,118,752.45
  5. Step 5: Solve for x
    x = 131,237,118,752.45/418,321.06
  6. Step 6: Final answer
    x = 313,723.43

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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.