Home / 396,334.69-546,940.04-215,046.17

Finding the Fourth Proportional to 396,334.69, 546,940.04 and 215,046.17

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Solution

The fourth proportional to 396,334.69, 546,940.04 and 215,046.17 is: 296,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,334.69 : 546,940.04 = 215,046.17 : x
  2. Step 2: Convert to fraction form
    396,334.69/546,940.04 = 215,046.17/x
  3. Step 3: Cross multiply
    396,334.69x = 546,940.04 × 215,046.17
  4. Step 4: Simplify right side
    396,334.69x = 117,617,359,062.74
  5. Step 5: Solve for x
    x = 117,617,359,062.74/396,334.69
  6. Step 6: Final answer
    x = 296,762.72

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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.