Home / 418,891.41-578,076.06-227,904.95

Finding the Fourth Proportional to 418,891.41, 578,076.06 and 227,904.95

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Solution

The fourth proportional to 418,891.41, 578,076.06 and 227,904.95 is: 314,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,891.41 : 578,076.06 = 227,904.95 : x
  2. Step 2: Convert to fraction form
    418,891.41/578,076.06 = 227,904.95/x
  3. Step 3: Cross multiply
    418,891.41x = 578,076.06 × 227,904.95
  4. Step 4: Simplify right side
    418,891.41x = 131,746,392,660.12
  5. Step 5: Solve for x
    x = 131,746,392,660.12/418,891.41
  6. Step 6: Final answer
    x = 314,512.04

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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.