Home / 826,813.44-1,240,099.20-394,433.28

Finding the Fourth Proportional to 826,813.44, 1,240,099.20 and 394,433.28

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Solution

The fourth proportional to 826,813.44, 1,240,099.20 and 394,433.28 is: 591,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,813.44 : 1,240,099.20 = 394,433.28 : x
  2. Step 2: Convert to fraction form
    826,813.44/1,240,099.20 = 394,433.28/x
  3. Step 3: Cross multiply
    826,813.44x = 1,240,099.20 × 394,433.28
  4. Step 4: Simplify right side
    826,813.44x = 489,136,394,981.38
  5. Step 5: Solve for x
    x = 489,136,394,981.38/826,813.44
  6. Step 6: Final answer
    x = 591,592.22

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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.