Home / 481,050.81-721,459.58-200,414.97

Finding the Fourth Proportional to 481,050.81, 721,459.58 and 200,414.97

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Solution

The fourth proportional to 481,050.81, 721,459.58 and 200,414.97 is: 300,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,050.81 : 721,459.58 = 200,414.97 : x
  2. Step 2: Convert to fraction form
    481,050.81/721,459.58 = 200,414.97/x
  3. Step 3: Cross multiply
    481,050.81x = 721,459.58 × 200,414.97
  4. Step 4: Simplify right side
    481,050.81x = 144,591,299,079.84
  5. Step 5: Solve for x
    x = 144,591,299,079.84/481,050.81
  6. Step 6: Final answer
    x = 300,573.86

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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.