Home / 362,724.98-500,520.68-209,739.98

Finding the Fourth Proportional to 362,724.98, 500,520.68 and 209,739.98

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Solution

The fourth proportional to 362,724.98, 500,520.68 and 209,739.98 is: 289,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,724.98 : 500,520.68 = 209,739.98 : x
  2. Step 2: Convert to fraction form
    362,724.98/500,520.68 = 209,739.98/x
  3. Step 3: Cross multiply
    362,724.98x = 500,520.68 × 209,739.98
  4. Step 4: Simplify right side
    362,724.98x = 104,979,194,910.18
  5. Step 5: Solve for x
    x = 104,979,194,910.18/362,724.98
  6. Step 6: Final answer
    x = 289,418.16

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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.