Home / 1,282,228.20-1,923,515.10-441,037.80

Finding the Fourth Proportional to 1,282,228.20, 1,923,515.10 and 441,037.80

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Solution

The fourth proportional to 1,282,228.20, 1,923,515.10 and 441,037.80 is: 661,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,228.20 : 1,923,515.10 = 441,037.80 : x
  2. Step 2: Convert to fraction form
    1,282,228.20/1,923,515.10 = 441,037.80/x
  3. Step 3: Cross multiply
    1,282,228.20x = 1,923,515.10 × 441,037.80
  4. Step 4: Simplify right side
    1,282,228.20x = 848,342,867,970.78
  5. Step 5: Solve for x
    x = 848,342,867,970.78/1,282,228.20
  6. Step 6: Final answer
    x = 661,616.14

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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.