Home / 1,519,848.46-2,278,930.26-621,919.72

Finding the Fourth Proportional to 1,519,848.46, 2,278,930.26 and 621,919.72

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Solution

The fourth proportional to 1,519,848.46, 2,278,930.26 and 621,919.72 is: 932,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,848.46 : 2,278,930.26 = 621,919.72 : x
  2. Step 2: Convert to fraction form
    1,519,848.46/2,278,930.26 = 621,919.72/x
  3. Step 3: Cross multiply
    1,519,848.46x = 2,278,930.26 × 621,919.72
  4. Step 4: Simplify right side
    1,519,848.46x = 1,417,311,669,198.73
  5. Step 5: Solve for x
    x = 1,417,311,669,198.73/1,519,848.46
  6. Step 6: Final answer
    x = 932,534.86

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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.