Home / 467,121.71-644,627.94-252,261.75

Finding the Fourth Proportional to 467,121.71, 644,627.94 and 252,261.75

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Solution

The fourth proportional to 467,121.71, 644,627.94 and 252,261.75 is: 348,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,121.71 : 644,627.94 = 252,261.75 : x
  2. Step 2: Convert to fraction form
    467,121.71/644,627.94 = 252,261.75/x
  3. Step 3: Cross multiply
    467,121.71x = 644,627.94 × 252,261.75
  4. Step 4: Simplify right side
    467,121.71x = 162,614,973,854.87
  5. Step 5: Solve for x
    x = 162,614,973,854.87/467,121.71
  6. Step 6: Final answer
    x = 348,121.21

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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.