Home / 648,178.20-972,267.30-227,496.60

Finding the Fourth Proportional to 648,178.20, 972,267.30 and 227,496.60

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Solution

The fourth proportional to 648,178.20, 972,267.30 and 227,496.60 is: 341,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,178.20 : 972,267.30 = 227,496.60 : x
  2. Step 2: Convert to fraction form
    648,178.20/972,267.30 = 227,496.60/x
  3. Step 3: Cross multiply
    648,178.20x = 972,267.30 × 227,496.60
  4. Step 4: Simplify right side
    648,178.20x = 221,187,505,041.18
  5. Step 5: Solve for x
    x = 221,187,505,041.18/648,178.20
  6. Step 6: Final answer
    x = 341,244.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.