Home / 641,022.39-961,178.58-262,209.14

Finding the Fourth Proportional to 641,022.39, 961,178.58 and 262,209.14

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Solution

The fourth proportional to 641,022.39, 961,178.58 and 262,209.14 is: 393,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,022.39 : 961,178.58 = 262,209.14 : x
  2. Step 2: Convert to fraction form
    641,022.39/961,178.58 = 262,209.14/x
  3. Step 3: Cross multiply
    641,022.39x = 961,178.58 × 262,209.14
  4. Step 4: Simplify right side
    641,022.39x = 252,029,804,042.33
  5. Step 5: Solve for x
    x = 252,029,804,042.33/641,022.39
  6. Step 6: Final answer
    x = 393,168.49

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1.5x scale

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.