Home / 396,247.03-546,820.89-226,484.80

Finding the Fourth Proportional to 396,247.03, 546,820.89 and 226,484.80

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Solution

The fourth proportional to 396,247.03, 546,820.89 and 226,484.80 is: 312,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,247.03 : 546,820.89 = 226,484.80 : x
  2. Step 2: Convert to fraction form
    396,247.03/546,820.89 = 226,484.80/x
  3. Step 3: Cross multiply
    396,247.03x = 546,820.89 × 226,484.80
  4. Step 4: Simplify right side
    396,247.03x = 123,846,617,173.37
  5. Step 5: Solve for x
    x = 123,846,617,173.37/396,247.03
  6. Step 6: Final answer
    x = 312,549.01

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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.