Home / 263,276.10-394,914.15-258,027.30

Finding the Fourth Proportional to 263,276.10, 394,914.15 and 258,027.30

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Solution

The fourth proportional to 263,276.10, 394,914.15 and 258,027.30 is: 387,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,276.10 : 394,914.15 = 258,027.30 : x
  2. Step 2: Convert to fraction form
    263,276.10/394,914.15 = 258,027.30/x
  3. Step 3: Cross multiply
    263,276.10x = 394,914.15 × 258,027.30
  4. Step 4: Simplify right side
    263,276.10x = 101,898,631,856.30
  5. Step 5: Solve for x
    x = 101,898,631,856.30/263,276.10
  6. Step 6: Final answer
    x = 387,040.95

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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.