Home / 467,939.87-645,786.55-263,916.35

Finding the Fourth Proportional to 467,939.87, 645,786.55 and 263,916.35

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Solution

The fourth proportional to 467,939.87, 645,786.55 and 263,916.35 is: 364,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,939.87 : 645,786.55 = 263,916.35 : x
  2. Step 2: Convert to fraction form
    467,939.87/645,786.55 = 263,916.35/x
  3. Step 3: Cross multiply
    467,939.87x = 645,786.55 × 263,916.35
  4. Step 4: Simplify right side
    467,939.87x = 170,433,625,266.37
  5. Step 5: Solve for x
    x = 170,433,625,266.37/467,939.87
  6. Step 6: Final answer
    x = 364,221.21

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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.