Home / 1,244,326.80-1,865,107.80-683,763.60

Finding the Fourth Proportional to 1,244,326.80, 1,865,107.80 and 683,763.60

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Solution

The fourth proportional to 1,244,326.80, 1,865,107.80 and 683,763.60 is: 1,024,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,326.80 : 1,865,107.80 = 683,763.60 : x
  2. Step 2: Convert to fraction form
    1,244,326.80/1,865,107.80 = 683,763.60/x
  3. Step 3: Cross multiply
    1,244,326.80x = 1,865,107.80 × 683,763.60
  4. Step 4: Simplify right side
    1,244,326.80x = 1,275,292,823,716.08
  5. Step 5: Solve for x
    x = 1,275,292,823,716.08/1,244,326.80
  6. Step 6: Final answer
    x = 1,024,885.76

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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.