Home / 396,243.03-546,686.23-224,144.35

Finding the Fourth Proportional to 396,243.03, 546,686.23 and 224,144.35

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Solution

The fourth proportional to 396,243.03, 546,686.23 and 224,144.35 is: 309,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,243.03 : 546,686.23 = 224,144.35 : x
  2. Step 2: Convert to fraction form
    396,243.03/546,686.23 = 224,144.35/x
  3. Step 3: Cross multiply
    396,243.03x = 546,686.23 × 224,144.35
  4. Step 4: Simplify right side
    396,243.03x = 122,536,629,677.30
  5. Step 5: Solve for x
    x = 122,536,629,677.30/396,243.03
  6. Step 6: Final answer
    x = 309,246.15

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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.