Home / 469,895.31-648,456.12-255,035.43

Finding the Fourth Proportional to 469,895.31, 648,456.12 and 255,035.43

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Solution

The fourth proportional to 469,895.31, 648,456.12 and 255,035.43 is: 351,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,895.31 : 648,456.12 = 255,035.43 : x
  2. Step 2: Convert to fraction form
    469,895.31/648,456.12 = 255,035.43/x
  3. Step 3: Cross multiply
    469,895.31x = 648,456.12 × 255,035.43
  4. Step 4: Simplify right side
    469,895.31x = 165,379,285,400.33
  5. Step 5: Solve for x
    x = 165,379,285,400.33/469,895.31
  6. Step 6: Final answer
    x = 351,949.21

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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.