Home / 492,974.14-680,304.30-266,619.64

Finding the Fourth Proportional to 492,974.14, 680,304.30 and 266,619.64

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Solution

The fourth proportional to 492,974.14, 680,304.30 and 266,619.64 is: 367,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,974.14 : 680,304.30 = 266,619.64 : x
  2. Step 2: Convert to fraction form
    492,974.14/680,304.30 = 266,619.64/x
  3. Step 3: Cross multiply
    492,974.14x = 680,304.30 × 266,619.64
  4. Step 4: Simplify right side
    492,974.14x = 181,382,487,556.45
  5. Step 5: Solve for x
    x = 181,382,487,556.45/492,974.14
  6. Step 6: Final answer
    x = 367,935.10

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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.