Home / 408,868.14-564,237.98-227,576.15

Finding the Fourth Proportional to 408,868.14, 564,237.98 and 227,576.15

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Solution

The fourth proportional to 408,868.14, 564,237.98 and 227,576.15 is: 314,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,868.14 : 564,237.98 = 227,576.15 : x
  2. Step 2: Convert to fraction form
    408,868.14/564,237.98 = 227,576.15/x
  3. Step 3: Cross multiply
    408,868.14x = 564,237.98 × 227,576.15
  4. Step 4: Simplify right side
    408,868.14x = 128,407,107,172.18
  5. Step 5: Solve for x
    x = 128,407,107,172.18/408,868.14
  6. Step 6: Final answer
    x = 314,055.06

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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.