Home / 641,282.82-961,923.33-257,204.94

Finding the Fourth Proportional to 641,282.82, 961,923.33 and 257,204.94

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Solution

The fourth proportional to 641,282.82, 961,923.33 and 257,204.94 is: 385,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,282.82 : 961,923.33 = 257,204.94 : x
  2. Step 2: Convert to fraction form
    641,282.82/961,923.33 = 257,204.94/x
  3. Step 3: Cross multiply
    641,282.82x = 961,923.33 × 257,204.94
  4. Step 4: Simplify right side
    641,282.82x = 247,411,432,377.25
  5. Step 5: Solve for x
    x = 247,411,432,377.25/641,282.82
  6. Step 6: Final answer
    x = 385,807.05

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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.