Home / 394,849.73-592,379.61-124,983.05

Finding the Fourth Proportional to 394,849.73, 592,379.61 and 124,983.05

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Solution

The fourth proportional to 394,849.73, 592,379.61 and 124,983.05 is: 187,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,849.73 : 592,379.61 = 124,983.05 : x
  2. Step 2: Convert to fraction form
    394,849.73/592,379.61 = 124,983.05/x
  3. Step 3: Cross multiply
    394,849.73x = 592,379.61 × 124,983.05
  4. Step 4: Simplify right side
    394,849.73x = 74,037,407,688.06
  5. Step 5: Solve for x
    x = 74,037,407,688.06/394,849.73
  6. Step 6: Final answer
    x = 187,507.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.