Home / 396,071.70-546,579.08-214,783.58

Finding the Fourth Proportional to 396,071.70, 546,579.08 and 214,783.58

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Solution

The fourth proportional to 396,071.70, 546,579.08 and 214,783.58 is: 296,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,071.70 : 546,579.08 = 214,783.58 : x
  2. Step 2: Convert to fraction form
    396,071.70/546,579.08 = 214,783.58/x
  3. Step 3: Cross multiply
    396,071.70x = 546,579.08 × 214,783.58
  4. Step 4: Simplify right side
    396,071.70x = 117,396,210,045.56
  5. Step 5: Solve for x
    x = 117,396,210,045.56/396,071.70
  6. Step 6: Final answer
    x = 296,401.41

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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.