Home / 728,194.60-1,092,116.74-373,025.80

Finding the Fourth Proportional to 728,194.60, 1,092,116.74 and 373,025.80

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Solution

The fourth proportional to 728,194.60, 1,092,116.74 and 373,025.80 is: 559,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,194.60 : 1,092,116.74 = 373,025.80 : x
  2. Step 2: Convert to fraction form
    728,194.60/1,092,116.74 = 373,025.80/x
  3. Step 3: Cross multiply
    728,194.60x = 1,092,116.74 × 373,025.80
  4. Step 4: Simplify right side
    728,194.60x = 407,387,719,699.33
  5. Step 5: Solve for x
    x = 407,387,719,699.33/728,194.60
  6. Step 6: Final answer
    x = 559,448.97

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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.