Home / 483,845.10-724,892.85-413,861.10

Finding the Fourth Proportional to 483,845.10, 724,892.85 and 413,861.10

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Solution

The fourth proportional to 483,845.10, 724,892.85 and 413,861.10 is: 620,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,845.10 : 724,892.85 = 413,861.10 : x
  2. Step 2: Convert to fraction form
    483,845.10/724,892.85 = 413,861.10/x
  3. Step 3: Cross multiply
    483,845.10x = 724,892.85 × 413,861.10
  4. Step 4: Simplify right side
    483,845.10x = 300,004,952,283.14
  5. Step 5: Solve for x
    x = 300,004,952,283.14/483,845.10
  6. Step 6: Final answer
    x = 620,043.38

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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.