Home / 396,136.96-546,669.28-214,848.88

Finding the Fourth Proportional to 396,136.96, 546,669.28 and 214,848.88

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Solution

The fourth proportional to 396,136.96, 546,669.28 and 214,848.88 is: 296,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,136.96 : 546,669.28 = 214,848.88 : x
  2. Step 2: Convert to fraction form
    396,136.96/546,669.28 = 214,848.88/x
  3. Step 3: Cross multiply
    396,136.96x = 546,669.28 × 214,848.88
  4. Step 4: Simplify right side
    396,136.96x = 117,451,282,538.41
  5. Step 5: Solve for x
    x = 117,451,282,538.41/396,136.96
  6. Step 6: Final answer
    x = 296,491.60

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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.