Home / 866,084.54-1,299,043.31-266,884.83

Finding the Fourth Proportional to 866,084.54, 1,299,043.31 and 266,884.83

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Solution

The fourth proportional to 866,084.54, 1,299,043.31 and 266,884.83 is: 400,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,084.54 : 1,299,043.31 = 266,884.83 : x
  2. Step 2: Convert to fraction form
    866,084.54/1,299,043.31 = 266,884.83/x
  3. Step 3: Cross multiply
    866,084.54x = 1,299,043.31 × 266,884.83
  4. Step 4: Simplify right side
    866,084.54x = 346,694,951,617.56
  5. Step 5: Solve for x
    x = 346,694,951,617.56/866,084.54
  6. Step 6: Final answer
    x = 400,301.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.