Home / 951,816.84-1,428,099.10-418,964.32

Finding the Fourth Proportional to 951,816.84, 1,428,099.10 and 418,964.32

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Solution

The fourth proportional to 951,816.84, 1,428,099.10 and 418,964.32 is: 628,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,816.84 : 1,428,099.10 = 418,964.32 : x
  2. Step 2: Convert to fraction form
    951,816.84/1,428,099.10 = 418,964.32/x
  3. Step 3: Cross multiply
    951,816.84x = 1,428,099.10 × 418,964.32
  4. Step 4: Simplify right side
    951,816.84x = 598,322,568,324.11
  5. Step 5: Solve for x
    x = 598,322,568,324.11/951,816.84
  6. Step 6: Final answer
    x = 628,611.03

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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.