Home / 493,778.24-681,165.60-323,988.80

Finding the Fourth Proportional to 493,778.24, 681,165.60 and 323,988.80

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Solution

The fourth proportional to 493,778.24, 681,165.60 and 323,988.80 is: 446,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,778.24 : 681,165.60 = 323,988.80 : x
  2. Step 2: Convert to fraction form
    493,778.24/681,165.60 = 323,988.80/x
  3. Step 3: Cross multiply
    493,778.24x = 681,165.60 × 323,988.80
  4. Step 4: Simplify right side
    493,778.24x = 220,690,025,345.28
  5. Step 5: Solve for x
    x = 220,690,025,345.28/493,778.24
  6. Step 6: Final answer
    x = 446,941.58

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1.5x scale

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.