Home / 445,928.30-668,892.45-268,981.10

Finding the Fourth Proportional to 445,928.30, 668,892.45 and 268,981.10

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Solution

The fourth proportional to 445,928.30, 668,892.45 and 268,981.10 is: 403,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,928.30 : 668,892.45 = 268,981.10 : x
  2. Step 2: Convert to fraction form
    445,928.30/668,892.45 = 268,981.10/x
  3. Step 3: Cross multiply
    445,928.30x = 668,892.45 × 268,981.10
  4. Step 4: Simplify right side
    445,928.30x = 179,919,426,982.70
  5. Step 5: Solve for x
    x = 179,919,426,982.70/445,928.30
  6. Step 6: Final answer
    x = 403,471.65

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Similar ratio
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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.