Home / 457,240.82-686,286.79-232,769.30

Finding the Fourth Proportional to 457,240.82, 686,286.79 and 232,769.30

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Solution

The fourth proportional to 457,240.82, 686,286.79 and 232,769.30 is: 349,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,240.82 : 686,286.79 = 232,769.30 : x
  2. Step 2: Convert to fraction form
    457,240.82/686,286.79 = 232,769.30/x
  3. Step 3: Cross multiply
    457,240.82x = 686,286.79 × 232,769.30
  4. Step 4: Simplify right side
    457,240.82x = 159,746,498,794.06
  5. Step 5: Solve for x
    x = 159,746,498,794.06/457,240.82
  6. Step 6: Final answer
    x = 349,370.60

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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.