Home / 683,530.20-1,025,393.34-210,255.48

Finding the Fourth Proportional to 683,530.20, 1,025,393.34 and 210,255.48

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Solution

The fourth proportional to 683,530.20, 1,025,393.34 and 210,255.48 is: 315,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,530.20 : 1,025,393.34 = 210,255.48 : x
  2. Step 2: Convert to fraction form
    683,530.20/1,025,393.34 = 210,255.48/x
  3. Step 3: Cross multiply
    683,530.20x = 1,025,393.34 × 210,255.48
  4. Step 4: Simplify right side
    683,530.20x = 215,594,568,890.50
  5. Step 5: Solve for x
    x = 215,594,568,890.50/683,530.20
  6. Step 6: Final answer
    x = 315,413.38

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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.