Home / 1,217,474.32-1,826,460.56-418,652.12

Finding the Fourth Proportional to 1,217,474.32, 1,826,460.56 and 418,652.12

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Solution

The fourth proportional to 1,217,474.32, 1,826,460.56 and 418,652.12 is: 628,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,474.32 : 1,826,460.56 = 418,652.12 : x
  2. Step 2: Convert to fraction form
    1,217,474.32/1,826,460.56 = 418,652.12/x
  3. Step 3: Cross multiply
    1,217,474.32x = 1,826,460.56 × 418,652.12
  4. Step 4: Simplify right side
    1,217,474.32x = 764,651,585,540.39
  5. Step 5: Solve for x
    x = 764,651,585,540.39/1,217,474.32
  6. Step 6: Final answer
    x = 628,063.83

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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.