Home / 487,732.16-673,132.20-296,734.16

Finding the Fourth Proportional to 487,732.16, 673,132.20 and 296,734.16

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Solution

The fourth proportional to 487,732.16, 673,132.20 and 296,734.16 is: 409,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,732.16 : 673,132.20 = 296,734.16 : x
  2. Step 2: Convert to fraction form
    487,732.16/673,132.20 = 296,734.16/x
  3. Step 3: Cross multiply
    487,732.16x = 673,132.20 × 296,734.16
  4. Step 4: Simplify right side
    487,732.16x = 199,741,317,935.95
  5. Step 5: Solve for x
    x = 199,741,317,935.95/487,732.16
  6. Step 6: Final answer
    x = 409,530.75

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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.