Home / 1,093,836.87-1,509,396.39-685,808.28

Finding the Fourth Proportional to 1,093,836.87, 1,509,396.39 and 685,808.28

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Solution

The fourth proportional to 1,093,836.87, 1,509,396.39 and 685,808.28 is: 946,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,836.87 : 1,509,396.39 = 685,808.28 : x
  2. Step 2: Convert to fraction form
    1,093,836.87/1,509,396.39 = 685,808.28/x
  3. Step 3: Cross multiply
    1,093,836.87x = 1,509,396.39 × 685,808.28
  4. Step 4: Simplify right side
    1,093,836.87x = 1,035,156,542,064.11
  5. Step 5: Solve for x
    x = 1,035,156,542,064.11/1,093,836.87
  6. Step 6: Final answer
    x = 946,353.68

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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.