Home / 672,039.10-1,008,037.05-222,780.70

Finding the Fourth Proportional to 672,039.10, 1,008,037.05 and 222,780.70

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Solution

The fourth proportional to 672,039.10, 1,008,037.05 and 222,780.70 is: 334,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,039.10 : 1,008,037.05 = 222,780.70 : x
  2. Step 2: Convert to fraction form
    672,039.10/1,008,037.05 = 222,780.70/x
  3. Step 3: Cross multiply
    672,039.10x = 1,008,037.05 × 222,780.70
  4. Step 4: Simplify right side
    672,039.10x = 224,571,199,624.94
  5. Step 5: Solve for x
    x = 224,571,199,624.94/672,039.10
  6. Step 6: Final answer
    x = 334,163.89

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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.