Home / 376,543.24-519,633.32-206,781.04

Finding the Fourth Proportional to 376,543.24, 519,633.32 and 206,781.04

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Solution

The fourth proportional to 376,543.24, 519,633.32 and 206,781.04 is: 285,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,543.24 : 519,633.32 = 206,781.04 : x
  2. Step 2: Convert to fraction form
    376,543.24/519,633.32 = 206,781.04/x
  3. Step 3: Cross multiply
    376,543.24x = 519,633.32 × 206,781.04
  4. Step 4: Simplify right side
    376,543.24x = 107,450,318,328.25
  5. Step 5: Solve for x
    x = 107,450,318,328.25/376,543.24
  6. Step 6: Final answer
    x = 285,359.84

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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.