Home / 1,669,944.50-2,304,513.78-905,981.66

Finding the Fourth Proportional to 1,669,944.50, 2,304,513.78 and 905,981.66

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Solution

The fourth proportional to 1,669,944.50, 2,304,513.78 and 905,981.66 is: 1,250,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,944.50 : 2,304,513.78 = 905,981.66 : x
  2. Step 2: Convert to fraction form
    1,669,944.50/2,304,513.78 = 905,981.66/x
  3. Step 3: Cross multiply
    1,669,944.50x = 2,304,513.78 × 905,981.66
  4. Step 4: Simplify right side
    1,669,944.50x = 2,087,847,219,897.27
  5. Step 5: Solve for x
    x = 2,087,847,219,897.27/1,669,944.50
  6. Step 6: Final answer
    x = 1,250,249.47

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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.