Home / 396,753.04-547,614.48-227,085.60

Finding the Fourth Proportional to 396,753.04, 547,614.48 and 227,085.60

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Solution

The fourth proportional to 396,753.04, 547,614.48 and 227,085.60 is: 313,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,753.04 : 547,614.48 = 227,085.60 : x
  2. Step 2: Convert to fraction form
    396,753.04/547,614.48 = 227,085.60/x
  3. Step 3: Cross multiply
    396,753.04x = 547,614.48 × 227,085.60
  4. Step 4: Simplify right side
    396,753.04x = 124,355,362,759.49
  5. Step 5: Solve for x
    x = 124,355,362,759.49/396,753.04
  6. Step 6: Final answer
    x = 313,432.67

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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.