Home / 439,246.20-658,869.30-303,943.80

Finding the Fourth Proportional to 439,246.20, 658,869.30 and 303,943.80

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Solution

The fourth proportional to 439,246.20, 658,869.30 and 303,943.80 is: 455,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,246.20 : 658,869.30 = 303,943.80 : x
  2. Step 2: Convert to fraction form
    439,246.20/658,869.30 = 303,943.80/x
  3. Step 3: Cross multiply
    439,246.20x = 658,869.30 × 303,943.80
  4. Step 4: Simplify right side
    439,246.20x = 200,259,238,745.34
  5. Step 5: Solve for x
    x = 200,259,238,745.34/439,246.20
  6. Step 6: Final answer
    x = 455,915.70

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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.