Home / 483,828.94-667,766.45-280,003.96

Finding the Fourth Proportional to 483,828.94, 667,766.45 and 280,003.96

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Solution

The fourth proportional to 483,828.94, 667,766.45 and 280,003.96 is: 386,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,828.94 : 667,766.45 = 280,003.96 : x
  2. Step 2: Convert to fraction form
    483,828.94/667,766.45 = 280,003.96/x
  3. Step 3: Cross multiply
    483,828.94x = 667,766.45 × 280,003.96
  4. Step 4: Simplify right side
    483,828.94x = 186,977,247,285.71
  5. Step 5: Solve for x
    x = 186,977,247,285.71/483,828.94
  6. Step 6: Final answer
    x = 386,453.21

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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.