Home / 469,913.59-648,481.38-255,053.65

Finding the Fourth Proportional to 469,913.59, 648,481.38 and 255,053.65

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Solution

The fourth proportional to 469,913.59, 648,481.38 and 255,053.65 is: 351,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,913.59 : 648,481.38 = 255,053.65 : x
  2. Step 2: Convert to fraction form
    469,913.59/648,481.38 = 255,053.65/x
  3. Step 3: Cross multiply
    469,913.59x = 648,481.38 × 255,053.65
  4. Step 4: Simplify right side
    469,913.59x = 165,397,542,926.04
  5. Step 5: Solve for x
    x = 165,397,542,926.04/469,913.59
  6. Step 6: Final answer
    x = 351,974.38

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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.