Home / 1,325,453.03-1,986,496.23-685,636.62

Finding the Fourth Proportional to 1,325,453.03, 1,986,496.23 and 685,636.62

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Solution

The fourth proportional to 1,325,453.03, 1,986,496.23 and 685,636.62 is: 1,027,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,453.03 : 1,986,496.23 = 685,636.62 : x
  2. Step 2: Convert to fraction form
    1,325,453.03/1,986,496.23 = 685,636.62/x
  3. Step 3: Cross multiply
    1,325,453.03x = 1,986,496.23 × 685,636.62
  4. Step 4: Simplify right side
    1,325,453.03x = 1,362,014,555,901.72
  5. Step 5: Solve for x
    x = 1,362,014,555,901.72/1,325,453.03
  6. Step 6: Final answer
    x = 1,027,584.17

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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.