Home / 1,335,171.21-1,999,435.23-933,933.21

Finding the Fourth Proportional to 1,335,171.21, 1,999,435.23 and 933,933.21

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Solution

The fourth proportional to 1,335,171.21, 1,999,435.23 and 933,933.21 is: 1,398,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,171.21 : 1,999,435.23 = 933,933.21 : x
  2. Step 2: Convert to fraction form
    1,335,171.21/1,999,435.23 = 933,933.21/x
  3. Step 3: Cross multiply
    1,335,171.21x = 1,999,435.23 × 933,933.21
  4. Step 4: Simplify right side
    1,335,171.21x = 1,867,338,962,540.99
  5. Step 5: Solve for x
    x = 1,867,338,962,540.99/1,335,171.21
  6. Step 6: Final answer
    x = 1,398,576.41

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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.