Home / 619,216.09-928,957.44-192,742.85

Finding the Fourth Proportional to 619,216.09, 928,957.44 and 192,742.85

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Solution

The fourth proportional to 619,216.09, 928,957.44 and 192,742.85 is: 289,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,216.09 : 928,957.44 = 192,742.85 : x
  2. Step 2: Convert to fraction form
    619,216.09/928,957.44 = 192,742.85/x
  3. Step 3: Cross multiply
    619,216.09x = 928,957.44 × 192,742.85
  4. Step 4: Simplify right side
    619,216.09x = 179,049,904,514.30
  5. Step 5: Solve for x
    x = 179,049,904,514.30/619,216.09
  6. Step 6: Final answer
    x = 289,155.77

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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.