Home / 1,909,439.45-2,863,546.56-629,759.21

Finding the Fourth Proportional to 1,909,439.45, 2,863,546.56 and 629,759.21

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Solution

The fourth proportional to 1,909,439.45, 2,863,546.56 and 629,759.21 is: 944,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,439.45 : 2,863,546.56 = 629,759.21 : x
  2. Step 2: Convert to fraction form
    1,909,439.45/2,863,546.56 = 629,759.21/x
  3. Step 3: Cross multiply
    1,909,439.45x = 2,863,546.56 × 629,759.21
  4. Step 4: Simplify right side
    1,909,439.45x = 1,803,344,826,582.68
  5. Step 5: Solve for x
    x = 1,803,344,826,582.68/1,909,439.45
  6. Step 6: Final answer
    x = 944,436.77

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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.