Home / 809,666.77-1,214,416.71-269,864.73

Finding the Fourth Proportional to 809,666.77, 1,214,416.71 and 269,864.73

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Solution

The fourth proportional to 809,666.77, 1,214,416.71 and 269,864.73 is: 404,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,666.77 : 1,214,416.71 = 269,864.73 : x
  2. Step 2: Convert to fraction form
    809,666.77/1,214,416.71 = 269,864.73/x
  3. Step 3: Cross multiply
    809,666.77x = 1,214,416.71 × 269,864.73
  4. Step 4: Simplify right side
    809,666.77x = 327,728,237,551.64
  5. Step 5: Solve for x
    x = 327,728,237,551.64/809,666.77
  6. Step 6: Final answer
    x = 404,769.28

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1.5x scale

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.