Home / 464,630.90-641,278.43-303,623.96

Finding the Fourth Proportional to 464,630.90, 641,278.43 and 303,623.96

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Solution

The fourth proportional to 464,630.90, 641,278.43 and 303,623.96 is: 419,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,630.90 : 641,278.43 = 303,623.96 : x
  2. Step 2: Convert to fraction form
    464,630.90/641,278.43 = 303,623.96/x
  3. Step 3: Cross multiply
    464,630.90x = 641,278.43 × 303,623.96
  4. Step 4: Simplify right side
    464,630.90x = 194,707,491,654.67
  5. Step 5: Solve for x
    x = 194,707,491,654.67/464,630.90
  6. Step 6: Final answer
    x = 419,058.43

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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.