Home / 396,147.24-546,680.70-214,863.48

Finding the Fourth Proportional to 396,147.24, 546,680.70 and 214,863.48

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Solution

The fourth proportional to 396,147.24, 546,680.70 and 214,863.48 is: 296,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,147.24 : 546,680.70 = 214,863.48 : x
  2. Step 2: Convert to fraction form
    396,147.24/546,680.70 = 214,863.48/x
  3. Step 3: Cross multiply
    396,147.24x = 546,680.70 × 214,863.48
  4. Step 4: Simplify right side
    396,147.24x = 117,461,717,650.84
  5. Step 5: Solve for x
    x = 117,461,717,650.84/396,147.24
  6. Step 6: Final answer
    x = 296,510.25

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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.