Home / 1,396,137.39-1,926,847.76-852,156.78

Finding the Fourth Proportional to 1,396,137.39, 1,926,847.76 and 852,156.78

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Solution

The fourth proportional to 1,396,137.39, 1,926,847.76 and 852,156.78 is: 1,176,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,137.39 : 1,926,847.76 = 852,156.78 : x
  2. Step 2: Convert to fraction form
    1,396,137.39/1,926,847.76 = 852,156.78/x
  3. Step 3: Cross multiply
    1,396,137.39x = 1,926,847.76 × 852,156.78
  4. Step 4: Simplify right side
    1,396,137.39x = 1,641,976,378,451.03
  5. Step 5: Solve for x
    x = 1,641,976,378,451.03/1,396,137.39
  6. Step 6: Final answer
    x = 1,176,085.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.