Home / 492,052.49-679,029.31-277,261.73

Finding the Fourth Proportional to 492,052.49, 679,029.31 and 277,261.73

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Solution

The fourth proportional to 492,052.49, 679,029.31 and 277,261.73 is: 382,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,052.49 : 679,029.31 = 277,261.73 : x
  2. Step 2: Convert to fraction form
    492,052.49/679,029.31 = 277,261.73/x
  3. Step 3: Cross multiply
    492,052.49x = 679,029.31 × 277,261.73
  4. Step 4: Simplify right side
    492,052.49x = 188,268,841,211.31
  5. Step 5: Solve for x
    x = 188,268,841,211.31/492,052.49
  6. Step 6: Final answer
    x = 382,619.43

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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.