Home / 816,334.20-1,224,501.30-443,086.20

Finding the Fourth Proportional to 816,334.20, 1,224,501.30 and 443,086.20

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Solution

The fourth proportional to 816,334.20, 1,224,501.30 and 443,086.20 is: 664,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,334.20 : 1,224,501.30 = 443,086.20 : x
  2. Step 2: Convert to fraction form
    816,334.20/1,224,501.30 = 443,086.20/x
  3. Step 3: Cross multiply
    816,334.20x = 1,224,501.30 × 443,086.20
  4. Step 4: Simplify right side
    816,334.20x = 542,559,627,912.06
  5. Step 5: Solve for x
    x = 542,559,627,912.06/816,334.20
  6. Step 6: Final answer
    x = 664,629.30

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Half scale
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Double scale
Find fourth proportional to 816,335.20, 1,224,502.80 and 443,087.20
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.