Home / 1,229,171.51-1,843,947.21-419,366.31

Finding the Fourth Proportional to 1,229,171.51, 1,843,947.21 and 419,366.31

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Solution

The fourth proportional to 1,229,171.51, 1,843,947.21 and 419,366.31 is: 629,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,171.51 : 1,843,947.21 = 419,366.31 : x
  2. Step 2: Convert to fraction form
    1,229,171.51/1,843,947.21 = 419,366.31/x
  3. Step 3: Cross multiply
    1,229,171.51x = 1,843,947.21 × 419,366.31
  4. Step 4: Simplify right side
    1,229,171.51x = 773,289,337,292.50
  5. Step 5: Solve for x
    x = 773,289,337,292.50/1,229,171.51
  6. Step 6: Final answer
    x = 629,114.27

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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.