Home / 698,840.26-1,048,257.51-200,204.26

Finding the Fourth Proportional to 698,840.26, 1,048,257.51 and 200,204.26

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Solution

The fourth proportional to 698,840.26, 1,048,257.51 and 200,204.26 is: 300,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,840.26 : 1,048,257.51 = 200,204.26 : x
  2. Step 2: Convert to fraction form
    698,840.26/1,048,257.51 = 200,204.26/x
  3. Step 3: Cross multiply
    698,840.26x = 1,048,257.51 × 200,204.26
  4. Step 4: Simplify right side
    698,840.26x = 209,865,619,078.99
  5. Step 5: Solve for x
    x = 209,865,619,078.99/698,840.26
  6. Step 6: Final answer
    x = 300,305.56

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Half scale
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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.