Home / 981,278.14-1,354,202.22-551,556.94

Finding the Fourth Proportional to 981,278.14, 1,354,202.22 and 551,556.94

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Solution

The fourth proportional to 981,278.14, 1,354,202.22 and 551,556.94 is: 761,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,278.14 : 1,354,202.22 = 551,556.94 : x
  2. Step 2: Convert to fraction form
    981,278.14/1,354,202.22 = 551,556.94/x
  3. Step 3: Cross multiply
    981,278.14x = 1,354,202.22 × 551,556.94
  4. Step 4: Simplify right side
    981,278.14x = 746,919,632,604.41
  5. Step 5: Solve for x
    x = 746,919,632,604.41/981,278.14
  6. Step 6: Final answer
    x = 761,170.15

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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.