Home / 619,536.92-928,884.83-315,183.07

Finding the Fourth Proportional to 619,536.92, 928,884.83 and 315,183.07

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Solution

The fourth proportional to 619,536.92, 928,884.83 and 315,183.07 is: 472,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,536.92 : 928,884.83 = 315,183.07 : x
  2. Step 2: Convert to fraction form
    619,536.92/928,884.83 = 315,183.07/x
  3. Step 3: Cross multiply
    619,536.92x = 928,884.83 × 315,183.07
  4. Step 4: Simplify right side
    619,536.92x = 292,768,768,528.95
  5. Step 5: Solve for x
    x = 292,768,768,528.95/619,536.92
  6. Step 6: Final answer
    x = 472,560.65

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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.