Home / 831,608.72-1,247,566.92-263,132.94

Finding the Fourth Proportional to 831,608.72, 1,247,566.92 and 263,132.94

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Solution

The fourth proportional to 831,608.72, 1,247,566.92 and 263,132.94 is: 394,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,608.72 : 1,247,566.92 = 263,132.94 : x
  2. Step 2: Convert to fraction form
    831,608.72/1,247,566.92 = 263,132.94/x
  3. Step 3: Cross multiply
    831,608.72x = 1,247,566.92 × 263,132.94
  4. Step 4: Simplify right side
    831,608.72x = 328,275,951,506.35
  5. Step 5: Solve for x
    x = 328,275,951,506.35/831,608.72
  6. Step 6: Final answer
    x = 394,748.09

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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.