Home / 408,872.13-564,243.57-227,580.16

Finding the Fourth Proportional to 408,872.13, 564,243.57 and 227,580.16

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Solution

The fourth proportional to 408,872.13, 564,243.57 and 227,580.16 is: 314,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,872.13 : 564,243.57 = 227,580.16 : x
  2. Step 2: Convert to fraction form
    408,872.13/564,243.57 = 227,580.16/x
  3. Step 3: Cross multiply
    408,872.13x = 564,243.57 × 227,580.16
  4. Step 4: Simplify right side
    408,872.13x = 128,410,641,939.57
  5. Step 5: Solve for x
    x = 128,410,641,939.57/408,872.13
  6. Step 6: Final answer
    x = 314,060.64

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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.