Home / 728,706.68-1,092,977.92-196,266.68

Finding the Fourth Proportional to 728,706.68, 1,092,977.92 and 196,266.68

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Solution

The fourth proportional to 728,706.68, 1,092,977.92 and 196,266.68 is: 294,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,706.68 : 1,092,977.92 = 196,266.68 : x
  2. Step 2: Convert to fraction form
    728,706.68/1,092,977.92 = 196,266.68/x
  3. Step 3: Cross multiply
    728,706.68x = 1,092,977.92 × 196,266.68
  4. Step 4: Simplify right side
    728,706.68x = 214,515,147,671.71
  5. Step 5: Solve for x
    x = 214,515,147,671.71/728,706.68
  6. Step 6: Final answer
    x = 294,377.91

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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.