Home / 908,674.53-1,253,979.42-500,791.08

Finding the Fourth Proportional to 908,674.53, 1,253,979.42 and 500,791.08

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Solution

The fourth proportional to 908,674.53, 1,253,979.42 and 500,791.08 is: 691,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,674.53 : 1,253,979.42 = 500,791.08 : x
  2. Step 2: Convert to fraction form
    908,674.53/1,253,979.42 = 500,791.08/x
  3. Step 3: Cross multiply
    908,674.53x = 1,253,979.42 × 500,791.08
  4. Step 4: Simplify right side
    908,674.53x = 627,981,708,039.57
  5. Step 5: Solve for x
    x = 627,981,708,039.57/908,674.53
  6. Step 6: Final answer
    x = 691,096.41

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1.5x scale

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.