Home / 1,519,396.22-2,278,252.87-621,468.56

Finding the Fourth Proportional to 1,519,396.22, 2,278,252.87 and 621,468.56

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Solution

The fourth proportional to 1,519,396.22, 2,278,252.87 and 621,468.56 is: 931,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,396.22 : 2,278,252.87 = 621,468.56 : x
  2. Step 2: Convert to fraction form
    1,519,396.22/2,278,252.87 = 621,468.56/x
  3. Step 3: Cross multiply
    1,519,396.22x = 2,278,252.87 × 621,468.56
  4. Step 4: Simplify right side
    1,519,396.22x = 1,415,862,530,434.77
  5. Step 5: Solve for x
    x = 1,415,862,530,434.77/1,519,396.22
  6. Step 6: Final answer
    x = 931,858.66

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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.