Home / 408,820.23-564,166.26-227,532.11

Finding the Fourth Proportional to 408,820.23, 564,166.26 and 227,532.11

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Solution

The fourth proportional to 408,820.23, 564,166.26 and 227,532.11 is: 313,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,820.23 : 564,166.26 = 227,532.11 : x
  2. Step 2: Convert to fraction form
    408,820.23/564,166.26 = 227,532.11/x
  3. Step 3: Cross multiply
    408,820.23x = 564,166.26 × 227,532.11
  4. Step 4: Simplify right side
    408,820.23x = 128,365,936,707.78
  5. Step 5: Solve for x
    x = 128,365,936,707.78/408,820.23
  6. Step 6: Final answer
    x = 313,991.16

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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.