Home / 672,228.70-1,008,051.45-222,775.90

Finding the Fourth Proportional to 672,228.70, 1,008,051.45 and 222,775.90

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Solution

The fourth proportional to 672,228.70, 1,008,051.45 and 222,775.90 is: 334,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,228.70 : 1,008,051.45 = 222,775.90 : x
  2. Step 2: Convert to fraction form
    672,228.70/1,008,051.45 = 222,775.90/x
  3. Step 3: Cross multiply
    672,228.70x = 1,008,051.45 × 222,775.90
  4. Step 4: Simplify right side
    672,228.70x = 224,569,569,020.06
  5. Step 5: Solve for x
    x = 224,569,569,020.06/672,228.70
  6. Step 6: Final answer
    x = 334,067.21

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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.