Home / 449,947.92-674,921.64-412,402.44

Finding the Fourth Proportional to 449,947.92, 674,921.64 and 412,402.44

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Solution

The fourth proportional to 449,947.92, 674,921.64 and 412,402.44 is: 618,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,947.92 : 674,921.64 = 412,402.44 : x
  2. Step 2: Convert to fraction form
    449,947.92/674,921.64 = 412,402.44/x
  3. Step 3: Cross multiply
    449,947.92x = 674,921.64 × 412,402.44
  4. Step 4: Simplify right side
    449,947.92x = 278,339,331,144.80
  5. Step 5: Solve for x
    x = 278,339,331,144.80/449,947.92
  6. Step 6: Final answer
    x = 618,603.44

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1.5x scale

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.