Home / 437,938.20-656,928.90-227,986.20

Finding the Fourth Proportional to 437,938.20, 656,928.90 and 227,986.20

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Solution

The fourth proportional to 437,938.20, 656,928.90 and 227,986.20 is: 341,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,938.20 : 656,928.90 = 227,986.20 : x
  2. Step 2: Convert to fraction form
    437,938.20/656,928.90 = 227,986.20/x
  3. Step 3: Cross multiply
    437,938.20x = 656,928.90 × 227,986.20
  4. Step 4: Simplify right side
    437,938.20x = 149,770,723,581.18
  5. Step 5: Solve for x
    x = 149,770,723,581.18/437,938.20
  6. Step 6: Final answer
    x = 341,990.54

Related Problems

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Half scale
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Double scale
Find fourth proportional to 437,939.20, 656,930.40 and 227,987.20
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.