Home / 484,919.46-669,140.82-270,079.47

Finding the Fourth Proportional to 484,919.46, 669,140.82 and 270,079.47

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Solution

The fourth proportional to 484,919.46, 669,140.82 and 270,079.47 is: 372,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,919.46 : 669,140.82 = 270,079.47 : x
  2. Step 2: Convert to fraction form
    484,919.46/669,140.82 = 270,079.47/x
  3. Step 3: Cross multiply
    484,919.46x = 669,140.82 × 270,079.47
  4. Step 4: Simplify right side
    484,919.46x = 180,721,198,020.97
  5. Step 5: Solve for x
    x = 180,721,198,020.97/484,919.46
  6. Step 6: Final answer
    x = 372,682.92

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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.