Home / 1,224,800.80-1,836,954.45-769,188.56

Finding the Fourth Proportional to 1,224,800.80, 1,836,954.45 and 769,188.56

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Solution

The fourth proportional to 1,224,800.80, 1,836,954.45 and 769,188.56 is: 1,153,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,800.80 : 1,836,954.45 = 769,188.56 : x
  2. Step 2: Convert to fraction form
    1,224,800.80/1,836,954.45 = 769,188.56/x
  3. Step 3: Cross multiply
    1,224,800.80x = 1,836,954.45 × 769,188.56
  4. Step 4: Simplify right side
    1,224,800.80x = 1,412,964,338,996.32
  5. Step 5: Solve for x
    x = 1,412,964,338,996.32/1,224,800.80
  6. Step 6: Final answer
    x = 1,153,627.87

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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.