Home / 831,616.56-1,247,413.86-200,524.86

Finding the Fourth Proportional to 831,616.56, 1,247,413.86 and 200,524.86

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Solution

The fourth proportional to 831,616.56, 1,247,413.86 and 200,524.86 is: 300,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,616.56 : 1,247,413.86 = 200,524.86 : x
  2. Step 2: Convert to fraction form
    831,616.56/1,247,413.86 = 200,524.86/x
  3. Step 3: Cross multiply
    831,616.56x = 1,247,413.86 × 200,524.86
  4. Step 4: Simplify right side
    831,616.56x = 250,137,489,638.56
  5. Step 5: Solve for x
    x = 250,137,489,638.56/831,616.56
  6. Step 6: Final answer
    x = 300,784.64

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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.