Home / 418,166.28-577,076.45-227,179.80

Finding the Fourth Proportional to 418,166.28, 577,076.45 and 227,179.80

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Solution

The fourth proportional to 418,166.28, 577,076.45 and 227,179.80 is: 313,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,166.28 : 577,076.45 = 227,179.80 : x
  2. Step 2: Convert to fraction form
    418,166.28/577,076.45 = 227,179.80/x
  3. Step 3: Cross multiply
    418,166.28x = 577,076.45 × 227,179.80
  4. Step 4: Simplify right side
    418,166.28x = 131,100,111,359.81
  5. Step 5: Solve for x
    x = 131,100,111,359.81/418,166.28
  6. Step 6: Final answer
    x = 313,511.92

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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.