Home / 543,824.60-815,736.90-169,847.60

Finding the Fourth Proportional to 543,824.60, 815,736.90 and 169,847.60

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Solution

The fourth proportional to 543,824.60, 815,736.90 and 169,847.60 is: 254,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,824.60 : 815,736.90 = 169,847.60 : x
  2. Step 2: Convert to fraction form
    543,824.60/815,736.90 = 169,847.60/x
  3. Step 3: Cross multiply
    543,824.60x = 815,736.90 × 169,847.60
  4. Step 4: Simplify right side
    543,824.60x = 138,550,954,696.44
  5. Step 5: Solve for x
    x = 138,550,954,696.44/543,824.60
  6. Step 6: Final answer
    x = 254,771.40

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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.