Home / 695,487.60-1,043,231.40-222,220.80

Finding the Fourth Proportional to 695,487.60, 1,043,231.40 and 222,220.80

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Solution

The fourth proportional to 695,487.60, 1,043,231.40 and 222,220.80 is: 333,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,487.60 : 1,043,231.40 = 222,220.80 : x
  2. Step 2: Convert to fraction form
    695,487.60/1,043,231.40 = 222,220.80/x
  3. Step 3: Cross multiply
    695,487.60x = 1,043,231.40 × 222,220.80
  4. Step 4: Simplify right side
    695,487.60x = 231,827,716,293.12
  5. Step 5: Solve for x
    x = 231,827,716,293.12/695,487.60
  6. Step 6: Final answer
    x = 333,331.20

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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.