Home / 492,231.75-679,280.09-265,877.25

Finding the Fourth Proportional to 492,231.75, 679,280.09 and 265,877.25

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Solution

The fourth proportional to 492,231.75, 679,280.09 and 265,877.25 is: 366,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,231.75 : 679,280.09 = 265,877.25 : x
  2. Step 2: Convert to fraction form
    492,231.75/679,280.09 = 265,877.25/x
  3. Step 3: Cross multiply
    492,231.75x = 679,280.09 × 265,877.25
  4. Step 4: Simplify right side
    492,231.75x = 180,605,120,979.57
  5. Step 5: Solve for x
    x = 180,605,120,979.57/492,231.75
  6. Step 6: Final answer
    x = 366,910.75

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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.