Home / 831,672.36-1,247,662.26-263,196.54

Finding the Fourth Proportional to 831,672.36, 1,247,662.26 and 263,196.54

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Solution

The fourth proportional to 831,672.36, 1,247,662.26 and 263,196.54 is: 394,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,672.36 : 1,247,662.26 = 263,196.54 : x
  2. Step 2: Convert to fraction form
    831,672.36/1,247,662.26 = 263,196.54/x
  3. Step 3: Cross multiply
    831,672.36x = 1,247,662.26 × 263,196.54
  4. Step 4: Simplify right side
    831,672.36x = 328,380,389,920.58
  5. Step 5: Solve for x
    x = 328,380,389,920.58/831,672.36
  6. Step 6: Final answer
    x = 394,843.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.