Home / 641,038.70-961,886.11-262,239.37

Finding the Fourth Proportional to 641,038.70, 961,886.11 and 262,239.37

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Solution

The fourth proportional to 641,038.70, 961,886.11 and 262,239.37 is: 393,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,038.70 : 961,886.11 = 262,239.37 : x
  2. Step 2: Convert to fraction form
    641,038.70/961,886.11 = 262,239.37/x
  3. Step 3: Cross multiply
    641,038.70x = 961,886.11 × 262,239.37
  4. Step 4: Simplify right side
    641,038.70x = 252,244,404,437.84
  5. Step 5: Solve for x
    x = 252,244,404,437.84/641,038.70
  6. Step 6: Final answer
    x = 393,493.25

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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.