Home / 1,131,466.21-1,561,423.38-622,168.58

Finding the Fourth Proportional to 1,131,466.21, 1,561,423.38 and 622,168.58

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Solution

The fourth proportional to 1,131,466.21, 1,561,423.38 and 622,168.58 is: 858,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,466.21 : 1,561,423.38 = 622,168.58 : x
  2. Step 2: Convert to fraction form
    1,131,466.21/1,561,423.38 = 622,168.58/x
  3. Step 3: Cross multiply
    1,131,466.21x = 1,561,423.38 × 622,168.58
  4. Step 4: Simplify right side
    1,131,466.21x = 971,468,568,683.83
  5. Step 5: Solve for x
    x = 971,468,568,683.83/1,131,466.21
  6. Step 6: Final answer
    x = 858,592.65

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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.