Home / 1,209,615.26-1,813,405.92-809,033.40

Finding the Fourth Proportional to 1,209,615.26, 1,813,405.92 and 809,033.40

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Solution

The fourth proportional to 1,209,615.26, 1,813,405.92 and 809,033.40 is: 1,212,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,615.26 : 1,813,405.92 = 809,033.40 : x
  2. Step 2: Convert to fraction form
    1,209,615.26/1,813,405.92 = 809,033.40/x
  3. Step 3: Cross multiply
    1,209,615.26x = 1,813,405.92 × 809,033.40
  4. Step 4: Simplify right side
    1,209,615.26x = 1,467,105,957,037.73
  5. Step 5: Solve for x
    x = 1,467,105,957,037.73/1,209,615.26
  6. Step 6: Final answer
    x = 1,212,869.91

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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.