Home / 781,181.07-1,171,771.61-741,290.19

Finding the Fourth Proportional to 781,181.07, 1,171,771.61 and 741,290.19

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Solution

The fourth proportional to 781,181.07, 1,171,771.61 and 741,290.19 is: 1,111,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,181.07 : 1,171,771.61 = 741,290.19 : x
  2. Step 2: Convert to fraction form
    781,181.07/1,171,771.61 = 741,290.19/x
  3. Step 3: Cross multiply
    781,181.07x = 1,171,771.61 × 741,290.19
  4. Step 4: Simplify right side
    781,181.07x = 868,622,795,707.06
  5. Step 5: Solve for x
    x = 868,622,795,707.06/781,181.07
  6. Step 6: Final answer
    x = 1,111,935.29

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Double scale
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Similar ratio
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1.5x scale

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.