Home / 648,057.20-972,085.80-227,375.60

Finding the Fourth Proportional to 648,057.20, 972,085.80 and 227,375.60

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Solution

The fourth proportional to 648,057.20, 972,085.80 and 227,375.60 is: 341,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,057.20 : 972,085.80 = 227,375.60 : x
  2. Step 2: Convert to fraction form
    648,057.20/972,085.80 = 227,375.60/x
  3. Step 3: Cross multiply
    648,057.20x = 972,085.80 × 227,375.60
  4. Step 4: Simplify right side
    648,057.20x = 221,028,592,026.48
  5. Step 5: Solve for x
    x = 221,028,592,026.48/648,057.20
  6. Step 6: Final answer
    x = 341,063.40

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Half scale
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Double scale
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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.