Home / 1,605,350.94-2,215,483.83-889,958.94

Finding the Fourth Proportional to 1,605,350.94, 2,215,483.83 and 889,958.94

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Solution

The fourth proportional to 1,605,350.94, 2,215,483.83 and 889,958.94 is: 1,228,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,350.94 : 2,215,483.83 = 889,958.94 : x
  2. Step 2: Convert to fraction form
    1,605,350.94/2,215,483.83 = 889,958.94/x
  3. Step 3: Cross multiply
    1,605,350.94x = 2,215,483.83 × 889,958.94
  4. Step 4: Simplify right side
    1,605,350.94x = 1,971,689,640,933.94
  5. Step 5: Solve for x
    x = 1,971,689,640,933.94/1,605,350.94
  6. Step 6: Final answer
    x = 1,228,198.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.