Home / 418,261.21-577,204.11-227,274.59

Finding the Fourth Proportional to 418,261.21, 577,204.11 and 227,274.59

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Solution

The fourth proportional to 418,261.21, 577,204.11 and 227,274.59 is: 313,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,261.21 : 577,204.11 = 227,274.59 : x
  2. Step 2: Convert to fraction form
    418,261.21/577,204.11 = 227,274.59/x
  3. Step 3: Cross multiply
    418,261.21x = 577,204.11 × 227,274.59
  4. Step 4: Simplify right side
    418,261.21x = 131,183,827,446.57
  5. Step 5: Solve for x
    x = 131,183,827,446.57/418,261.21
  6. Step 6: Final answer
    x = 313,640.91

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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.