Home / 396,111.84-546,634.62-214,823.76

Finding the Fourth Proportional to 396,111.84, 546,634.62 and 214,823.76

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Solution

The fourth proportional to 396,111.84, 546,634.62 and 214,823.76 is: 296,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,111.84 : 546,634.62 = 214,823.76 : x
  2. Step 2: Convert to fraction form
    396,111.84/546,634.62 = 214,823.76/x
  3. Step 3: Cross multiply
    396,111.84x = 546,634.62 × 214,823.76
  4. Step 4: Simplify right side
    396,111.84x = 117,430,104,414.57
  5. Step 5: Solve for x
    x = 117,430,104,414.57/396,111.84
  6. Step 6: Final answer
    x = 296,456.94

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1.5x scale

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.