Home / 638,315.41-957,340.46-188,930.83

Finding the Fourth Proportional to 638,315.41, 957,340.46 and 188,930.83

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Solution

The fourth proportional to 638,315.41, 957,340.46 and 188,930.83 is: 283,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,315.41 : 957,340.46 = 188,930.83 : x
  2. Step 2: Convert to fraction form
    638,315.41/957,340.46 = 188,930.83/x
  3. Step 3: Cross multiply
    638,315.41x = 957,340.46 × 188,930.83
  4. Step 4: Simplify right side
    638,315.41x = 180,871,126,755.73
  5. Step 5: Solve for x
    x = 180,871,126,755.73/638,315.41
  6. Step 6: Final answer
    x = 283,356.98

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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.