Home / 641,037.70-961,884.60-262,238.36

Finding the Fourth Proportional to 641,037.70, 961,884.60 and 262,238.36

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Solution

The fourth proportional to 641,037.70, 961,884.60 and 262,238.36 is: 393,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,037.70 : 961,884.60 = 262,238.36 : x
  2. Step 2: Convert to fraction form
    641,037.70/961,884.60 = 262,238.36/x
  3. Step 3: Cross multiply
    641,037.70x = 961,884.60 × 262,238.36
  4. Step 4: Simplify right side
    641,037.70x = 252,243,040,013.26
  5. Step 5: Solve for x
    x = 252,243,040,013.26/641,037.70
  6. Step 6: Final answer
    x = 393,491.74

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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.