Home / 451,517.34-623,105.82-255,268.20

Finding the Fourth Proportional to 451,517.34, 623,105.82 and 255,268.20

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Solution

The fourth proportional to 451,517.34, 623,105.82 and 255,268.20 is: 352,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,517.34 : 623,105.82 = 255,268.20 : x
  2. Step 2: Convert to fraction form
    451,517.34/623,105.82 = 255,268.20/x
  3. Step 3: Cross multiply
    451,517.34x = 623,105.82 × 255,268.20
  4. Step 4: Simplify right side
    451,517.34x = 159,059,101,080.92
  5. Step 5: Solve for x
    x = 159,059,101,080.92/451,517.34
  6. Step 6: Final answer
    x = 352,276.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.