Home / 1,131,676.96-1,561,683.04-622,379.52

Finding the Fourth Proportional to 1,131,676.96, 1,561,683.04 and 622,379.52

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Solution

The fourth proportional to 1,131,676.96, 1,561,683.04 and 622,379.52 is: 858,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,676.96 : 1,561,683.04 = 622,379.52 : x
  2. Step 2: Convert to fraction form
    1,131,676.96/1,561,683.04 = 622,379.52/x
  3. Step 3: Cross multiply
    1,131,676.96x = 1,561,683.04 × 622,379.52
  4. Step 4: Simplify right side
    1,131,676.96x = 971,959,540,827.34
  5. Step 5: Solve for x
    x = 971,959,540,827.34/1,131,676.96
  6. Step 6: Final answer
    x = 858,866.60

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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.