Home / 469,834.75-648,372.43-254,974.86

Finding the Fourth Proportional to 469,834.75, 648,372.43 and 254,974.86

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Solution

The fourth proportional to 469,834.75, 648,372.43 and 254,974.86 is: 351,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,834.75 : 648,372.43 = 254,974.86 : x
  2. Step 2: Convert to fraction form
    469,834.75/648,372.43 = 254,974.86/x
  3. Step 3: Cross multiply
    469,834.75x = 648,372.43 × 254,974.86
  4. Step 4: Simplify right side
    469,834.75x = 165,318,669,567.11
  5. Step 5: Solve for x
    x = 165,318,669,567.11/469,834.75
  6. Step 6: Final answer
    x = 351,865.56

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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.