Home / 409,340.66-614,076.69-172,718.24

Finding the Fourth Proportional to 409,340.66, 614,076.69 and 172,718.24

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Solution

The fourth proportional to 409,340.66, 614,076.69 and 172,718.24 is: 259,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,340.66 : 614,076.69 = 172,718.24 : x
  2. Step 2: Convert to fraction form
    409,340.66/614,076.69 = 172,718.24/x
  3. Step 3: Cross multiply
    409,340.66x = 614,076.69 × 172,718.24
  4. Step 4: Simplify right side
    409,340.66x = 106,062,245,121.83
  5. Step 5: Solve for x
    x = 106,062,245,121.83/409,340.66
  6. Step 6: Final answer
    x = 259,105.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.