Home / 839,084.27-1,257,783.71-270,047.21

Finding the Fourth Proportional to 839,084.27, 1,257,783.71 and 270,047.21

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Solution

The fourth proportional to 839,084.27, 1,257,783.71 and 270,047.21 is: 404,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,084.27 : 1,257,783.71 = 270,047.21 : x
  2. Step 2: Convert to fraction form
    839,084.27/1,257,783.71 = 270,047.21/x
  3. Step 3: Cross multiply
    839,084.27x = 1,257,783.71 × 270,047.21
  4. Step 4: Simplify right side
    839,084.27x = 339,660,981,668.95
  5. Step 5: Solve for x
    x = 339,660,981,668.95/839,084.27
  6. Step 6: Final answer
    x = 404,799.61

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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.