Home / 477,142.91-658,458.55-273,196.97

Finding the Fourth Proportional to 477,142.91, 658,458.55 and 273,196.97

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Solution

The fourth proportional to 477,142.91, 658,458.55 and 273,196.97 is: 377,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,142.91 : 658,458.55 = 273,196.97 : x
  2. Step 2: Convert to fraction form
    477,142.91/658,458.55 = 273,196.97/x
  3. Step 3: Cross multiply
    477,142.91x = 658,458.55 × 273,196.97
  4. Step 4: Simplify right side
    477,142.91x = 179,888,880,730.59
  5. Step 5: Solve for x
    x = 179,888,880,730.59/477,142.91
  6. Step 6: Final answer
    x = 377,012.58

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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.