Home / 492,338.25-679,427.19-265,983.75

Finding the Fourth Proportional to 492,338.25, 679,427.19 and 265,983.75

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Solution

The fourth proportional to 492,338.25, 679,427.19 and 265,983.75 is: 367,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,338.25 : 679,427.19 = 265,983.75 : x
  2. Step 2: Convert to fraction form
    492,338.25/679,427.19 = 265,983.75/x
  3. Step 3: Cross multiply
    492,338.25x = 679,427.19 × 265,983.75
  4. Step 4: Simplify right side
    492,338.25x = 180,716,591,848.16
  5. Step 5: Solve for x
    x = 180,716,591,848.16/492,338.25
  6. Step 6: Final answer
    x = 367,057.79

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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.