Home / 728,566.57-1,092,188.22-254,993.59

Finding the Fourth Proportional to 728,566.57, 1,092,188.22 and 254,993.59

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Solution

The fourth proportional to 728,566.57, 1,092,188.22 and 254,993.59 is: 382,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,566.57 : 1,092,188.22 = 254,993.59 : x
  2. Step 2: Convert to fraction form
    728,566.57/1,092,188.22 = 254,993.59/x
  3. Step 3: Cross multiply
    728,566.57x = 1,092,188.22 × 254,993.59
  4. Step 4: Simplify right side
    728,566.57x = 278,500,995,173.51
  5. Step 5: Solve for x
    x = 278,500,995,173.51/728,566.57
  6. Step 6: Final answer
    x = 382,258.82

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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.