Home / 613,919.46-847,234.37-341,987.27

Finding the Fourth Proportional to 613,919.46, 847,234.37 and 341,987.27

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Solution

The fourth proportional to 613,919.46, 847,234.37 and 341,987.27 is: 471,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,919.46 : 847,234.37 = 341,987.27 : x
  2. Step 2: Convert to fraction form
    613,919.46/847,234.37 = 341,987.27/x
  3. Step 3: Cross multiply
    613,919.46x = 847,234.37 × 341,987.27
  4. Step 4: Simplify right side
    613,919.46x = 289,743,372,219.52
  5. Step 5: Solve for x
    x = 289,743,372,219.52/613,919.46
  6. Step 6: Final answer
    x = 471,956.65

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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.