Home / 1,591,189.88-2,386,791.32-644,578.52

Finding the Fourth Proportional to 1,591,189.88, 2,386,791.32 and 644,578.52

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Solution

The fourth proportional to 1,591,189.88, 2,386,791.32 and 644,578.52 is: 966,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,189.88 : 2,386,791.32 = 644,578.52 : x
  2. Step 2: Convert to fraction form
    1,591,189.88/2,386,791.32 = 644,578.52/x
  3. Step 3: Cross multiply
    1,591,189.88x = 2,386,791.32 × 644,578.52
  4. Step 4: Simplify right side
    1,591,189.88x = 1,538,474,416,594.45
  5. Step 5: Solve for x
    x = 1,538,474,416,594.45/1,591,189.88
  6. Step 6: Final answer
    x = 966,870.41

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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.