Home / 492,170.04-679,194.72-265,815.54

Finding the Fourth Proportional to 492,170.04, 679,194.72 and 265,815.54

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Solution

The fourth proportional to 492,170.04, 679,194.72 and 265,815.54 is: 366,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,170.04 : 679,194.72 = 265,815.54 : x
  2. Step 2: Convert to fraction form
    492,170.04/679,194.72 = 265,815.54/x
  3. Step 3: Cross multiply
    492,170.04x = 679,194.72 × 265,815.54
  4. Step 4: Simplify right side
    492,170.04x = 180,540,511,261.95
  5. Step 5: Solve for x
    x = 180,540,511,261.95/492,170.04
  6. Step 6: Final answer
    x = 366,825.48

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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.