Home / 469,919.44-648,489.57-255,059.61

Finding the Fourth Proportional to 469,919.44, 648,489.57 and 255,059.61

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Solution

The fourth proportional to 469,919.44, 648,489.57 and 255,059.61 is: 351,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,919.44 : 648,489.57 = 255,059.61 : x
  2. Step 2: Convert to fraction form
    469,919.44/648,489.57 = 255,059.61/x
  3. Step 3: Cross multiply
    469,919.44x = 648,489.57 × 255,059.61
  4. Step 4: Simplify right side
    469,919.44x = 165,403,496,813.27
  5. Step 5: Solve for x
    x = 165,403,496,813.27/469,919.44
  6. Step 6: Final answer
    x = 351,982.66

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1.5x scale

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.