Home / 523,919.44-786,184.09-220,291.61

Finding the Fourth Proportional to 523,919.44, 786,184.09 and 220,291.61

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Solution

The fourth proportional to 523,919.44, 786,184.09 and 220,291.61 is: 330,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,919.44 : 786,184.09 = 220,291.61 : x
  2. Step 2: Convert to fraction form
    523,919.44/786,184.09 = 220,291.61/x
  3. Step 3: Cross multiply
    523,919.44x = 786,184.09 × 220,291.61
  4. Step 4: Simplify right side
    523,919.44x = 173,189,757,911.12
  5. Step 5: Solve for x
    x = 173,189,757,911.12/523,919.44
  6. Step 6: Final answer
    x = 330,565.63

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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.