Home / 634,936.38-876,183.33-348,450.78

Finding the Fourth Proportional to 634,936.38, 876,183.33 and 348,450.78

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Solution

The fourth proportional to 634,936.38, 876,183.33 and 348,450.78 is: 480,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,936.38 : 876,183.33 = 348,450.78 : x
  2. Step 2: Convert to fraction form
    634,936.38/876,183.33 = 348,450.78/x
  3. Step 3: Cross multiply
    634,936.38x = 876,183.33 × 348,450.78
  4. Step 4: Simplify right side
    634,936.38x = 305,306,764,761.50
  5. Step 5: Solve for x
    x = 305,306,764,761.50/634,936.38
  6. Step 6: Final answer
    x = 480,846.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.