Home / 672,047.60-1,008,049.80-222,789.20

Finding the Fourth Proportional to 672,047.60, 1,008,049.80 and 222,789.20

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Solution

The fourth proportional to 672,047.60, 1,008,049.80 and 222,789.20 is: 334,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,047.60 : 1,008,049.80 = 222,789.20 : x
  2. Step 2: Convert to fraction form
    672,047.60/1,008,049.80 = 222,789.20/x
  3. Step 3: Cross multiply
    672,047.60x = 1,008,049.80 × 222,789.20
  4. Step 4: Simplify right side
    672,047.60x = 224,582,608,502.16
  5. Step 5: Solve for x
    x = 224,582,608,502.16/672,047.60
  6. Step 6: Final answer
    x = 334,176.64

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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.