Home / 641,001.46-961,503.82-261,922.19

Finding the Fourth Proportional to 641,001.46, 961,503.82 and 261,922.19

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Solution

The fourth proportional to 641,001.46, 961,503.82 and 261,922.19 is: 392,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,001.46 : 961,503.82 = 261,922.19 : x
  2. Step 2: Convert to fraction form
    641,001.46/961,503.82 = 261,922.19/x
  3. Step 3: Cross multiply
    641,001.46x = 961,503.82 × 261,922.19
  4. Step 4: Simplify right side
    641,001.46x = 251,839,186,227.77
  5. Step 5: Solve for x
    x = 251,839,186,227.77/641,001.46
  6. Step 6: Final answer
    x = 392,883.95

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Double scale
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Similar ratio
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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.