Home / 418,261.32-577,204.08-227,274.71

Finding the Fourth Proportional to 418,261.32, 577,204.08 and 227,274.71

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Solution

The fourth proportional to 418,261.32, 577,204.08 and 227,274.71 is: 313,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,261.32 : 577,204.08 = 227,274.71 : x
  2. Step 2: Convert to fraction form
    418,261.32/577,204.08 = 227,274.71/x
  3. Step 3: Cross multiply
    418,261.32x = 577,204.08 × 227,274.71
  4. Step 4: Simplify right side
    418,261.32x = 131,183,889,892.82
  5. Step 5: Solve for x
    x = 131,183,889,892.82/418,261.32
  6. Step 6: Final answer
    x = 313,640.98

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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.