Home / 1,621,920.82-2,433,593.38-769,608.66

Finding the Fourth Proportional to 1,621,920.82, 2,433,593.38 and 769,608.66

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Solution

The fourth proportional to 1,621,920.82, 2,433,593.38 and 769,608.66 is: 1,154,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,920.82 : 2,433,593.38 = 769,608.66 : x
  2. Step 2: Convert to fraction form
    1,621,920.82/2,433,593.38 = 769,608.66/x
  3. Step 3: Cross multiply
    1,621,920.82x = 2,433,593.38 × 769,608.66
  4. Step 4: Simplify right side
    1,621,920.82x = 1,872,914,540,166.67
  5. Step 5: Solve for x
    x = 1,872,914,540,166.67/1,621,920.82
  6. Step 6: Final answer
    x = 1,154,750.91

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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.