Home / 418,391.20-577,383.36-227,404.54

Finding the Fourth Proportional to 418,391.20, 577,383.36 and 227,404.54

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Solution

The fourth proportional to 418,391.20, 577,383.36 and 227,404.54 is: 313,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,391.20 : 577,383.36 = 227,404.54 : x
  2. Step 2: Convert to fraction form
    418,391.20/577,383.36 = 227,404.54/x
  3. Step 3: Cross multiply
    418,391.20x = 577,383.36 × 227,404.54
  4. Step 4: Simplify right side
    418,391.20x = 131,299,597,384.45
  5. Step 5: Solve for x
    x = 131,299,597,384.45/418,391.20
  6. Step 6: Final answer
    x = 313,820.17

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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.