Home / 643,733.80-965,946.30-269,794.60

Finding the Fourth Proportional to 643,733.80, 965,946.30 and 269,794.60

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Solution

The fourth proportional to 643,733.80, 965,946.30 and 269,794.60 is: 404,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,733.80 : 965,946.30 = 269,794.60 : x
  2. Step 2: Convert to fraction form
    643,733.80/965,946.30 = 269,794.60/x
  3. Step 3: Cross multiply
    643,733.80x = 965,946.30 × 269,794.60
  4. Step 4: Simplify right side
    643,733.80x = 260,607,095,629.98
  5. Step 5: Solve for x
    x = 260,607,095,629.98/643,733.80
  6. Step 6: Final answer
    x = 404,836.74

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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.