Home / 781,867.44-1,172,821.65-269,527.16

Finding the Fourth Proportional to 781,867.44, 1,172,821.65 and 269,527.16

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Solution

The fourth proportional to 781,867.44, 1,172,821.65 and 269,527.16 is: 404,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,867.44 : 1,172,821.65 = 269,527.16 : x
  2. Step 2: Convert to fraction form
    781,867.44/1,172,821.65 = 269,527.16/x
  3. Step 3: Cross multiply
    781,867.44x = 1,172,821.65 × 269,527.16
  4. Step 4: Simplify right side
    781,867.44x = 316,107,282,646.91
  5. Step 5: Solve for x
    x = 316,107,282,646.91/781,867.44
  6. Step 6: Final answer
    x = 404,297.80

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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.