Home / 409,286.46-564,832.73-227,998.17

Finding the Fourth Proportional to 409,286.46, 564,832.73 and 227,998.17

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Solution

The fourth proportional to 409,286.46, 564,832.73 and 227,998.17 is: 314,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,286.46 : 564,832.73 = 227,998.17 : x
  2. Step 2: Convert to fraction form
    409,286.46/564,832.73 = 227,998.17/x
  3. Step 3: Cross multiply
    409,286.46x = 564,832.73 × 227,998.17
  4. Step 4: Simplify right side
    409,286.46x = 128,780,827,456.89
  5. Step 5: Solve for x
    x = 128,780,827,456.89/409,286.46
  6. Step 6: Final answer
    x = 314,647.18

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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.