Home / 467,669.88-644,954.04-306,466.38

Finding the Fourth Proportional to 467,669.88, 644,954.04 and 306,466.38

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Solution

The fourth proportional to 467,669.88, 644,954.04 and 306,466.38 is: 422,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,669.88 : 644,954.04 = 306,466.38 : x
  2. Step 2: Convert to fraction form
    467,669.88/644,954.04 = 306,466.38/x
  3. Step 3: Cross multiply
    467,669.88x = 644,954.04 × 306,466.38
  4. Step 4: Simplify right side
    467,669.88x = 197,656,729,905.18
  5. Step 5: Solve for x
    x = 197,656,729,905.18/467,669.88
  6. Step 6: Final answer
    x = 422,641.56

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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.