Home / 578,086.20-867,518.10-262,380.60

Finding the Fourth Proportional to 578,086.20, 867,518.10 and 262,380.60

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Solution

The fourth proportional to 578,086.20, 867,518.10 and 262,380.60 is: 393,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,086.20 : 867,518.10 = 262,380.60 : x
  2. Step 2: Convert to fraction form
    578,086.20/867,518.10 = 262,380.60/x
  3. Step 3: Cross multiply
    578,086.20x = 867,518.10 × 262,380.60
  4. Step 4: Simplify right side
    578,086.20x = 227,619,919,588.86
  5. Step 5: Solve for x
    x = 227,619,919,588.86/578,086.20
  6. Step 6: Final answer
    x = 393,747.37

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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.