Home / 451,172.64-622,618.20-269,892.18

Finding the Fourth Proportional to 451,172.64, 622,618.20 and 269,892.18

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Solution

The fourth proportional to 451,172.64, 622,618.20 and 269,892.18 is: 372,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,172.64 : 622,618.20 = 269,892.18 : x
  2. Step 2: Convert to fraction form
    451,172.64/622,618.20 = 269,892.18/x
  3. Step 3: Cross multiply
    451,172.64x = 622,618.20 × 269,892.18
  4. Step 4: Simplify right side
    451,172.64x = 168,039,783,305.68
  5. Step 5: Solve for x
    x = 168,039,783,305.68/451,172.64
  6. Step 6: Final answer
    x = 372,451.18

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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.