Home / 1,131,414-1,561,395.06-622,105.44

Finding the Fourth Proportional to 1,131,414, 1,561,395.06 and 622,105.44

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Solution

The fourth proportional to 1,131,414, 1,561,395.06 and 622,105.44 is: 858,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,414 : 1,561,395.06 = 622,105.44 : x
  2. Step 2: Convert to fraction form
    1,131,414/1,561,395.06 = 622,105.44/x
  3. Step 3: Cross multiply
    1,131,414x = 1,561,395.06 × 622,105.44
  4. Step 4: Simplify right side
    1,131,414x = 971,352,360,815.13
  5. Step 5: Solve for x
    x = 971,352,360,815.13/1,131,414
  6. Step 6: Final answer
    x = 858,529.56

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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.