Home / 1,131,119.07-1,560,974.13-621,834.27

Finding the Fourth Proportional to 1,131,119.07, 1,560,974.13 and 621,834.27

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Solution

The fourth proportional to 1,131,119.07, 1,560,974.13 and 621,834.27 is: 858,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,119.07 : 1,560,974.13 = 621,834.27 : x
  2. Step 2: Convert to fraction form
    1,131,119.07/1,560,974.13 = 621,834.27/x
  3. Step 3: Cross multiply
    1,131,119.07x = 1,560,974.13 × 621,834.27
  4. Step 4: Simplify right side
    1,131,119.07x = 970,667,208,617.44
  5. Step 5: Solve for x
    x = 970,667,208,617.44/1,131,119.07
  6. Step 6: Final answer
    x = 858,147.68

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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.