Home / 578,943.20-868,155.60-263,237.60

Finding the Fourth Proportional to 578,943.20, 868,155.60 and 263,237.60

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Solution

The fourth proportional to 578,943.20, 868,155.60 and 263,237.60 is: 394,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,943.20 : 868,155.60 = 263,237.60 : x
  2. Step 2: Convert to fraction form
    578,943.20/868,155.60 = 263,237.60/x
  3. Step 3: Cross multiply
    578,943.20x = 868,155.60 × 263,237.60
  4. Step 4: Simplify right side
    578,943.20x = 228,531,196,570.56
  5. Step 5: Solve for x
    x = 228,531,196,570.56/578,943.20
  6. Step 6: Final answer
    x = 394,738.55

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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.