Home / 493,598.20-681,170.04-289,652.54

Finding the Fourth Proportional to 493,598.20, 681,170.04 and 289,652.54

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Solution

The fourth proportional to 493,598.20, 681,170.04 and 289,652.54 is: 399,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,598.20 : 681,170.04 = 289,652.54 : x
  2. Step 2: Convert to fraction form
    493,598.20/681,170.04 = 289,652.54/x
  3. Step 3: Cross multiply
    493,598.20x = 681,170.04 × 289,652.54
  4. Step 4: Simplify right side
    493,598.20x = 197,302,632,257.90
  5. Step 5: Solve for x
    x = 197,302,632,257.90/493,598.20
  6. Step 6: Final answer
    x = 399,723.16

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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.