Home / 769,188.57-1,153,783.74-200,569.17

Finding the Fourth Proportional to 769,188.57, 1,153,783.74 and 200,569.17

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Solution

The fourth proportional to 769,188.57, 1,153,783.74 and 200,569.17 is: 300,853.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,188.57 : 1,153,783.74 = 200,569.17 : x
  2. Step 2: Convert to fraction form
    769,188.57/1,153,783.74 = 200,569.17/x
  3. Step 3: Cross multiply
    769,188.57x = 1,153,783.74 × 200,569.17
  4. Step 4: Simplify right side
    769,188.57x = 231,413,447,091.30
  5. Step 5: Solve for x
    x = 231,413,447,091.30/769,188.57
  6. Step 6: Final answer
    x = 300,853.99

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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.