Home / 376,582.66-519,688.17-206,816.78

Finding the Fourth Proportional to 376,582.66, 519,688.17 and 206,816.78

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Solution

The fourth proportional to 376,582.66, 519,688.17 and 206,816.78 is: 285,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,582.66 : 519,688.17 = 206,816.78 : x
  2. Step 2: Convert to fraction form
    376,582.66/519,688.17 = 206,816.78/x
  3. Step 3: Cross multiply
    376,582.66x = 519,688.17 × 206,816.78
  4. Step 4: Simplify right side
    376,582.66x = 107,480,233,923.49
  5. Step 5: Solve for x
    x = 107,480,233,923.49/376,582.66
  6. Step 6: Final answer
    x = 285,409.41

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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.