Home / 394,719.60-588,327.14-372,300.44

Finding the Fourth Proportional to 394,719.60, 588,327.14 and 372,300.44

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Solution

The fourth proportional to 394,719.60, 588,327.14 and 372,300.44 is: 554,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,719.60 : 588,327.14 = 372,300.44 : x
  2. Step 2: Convert to fraction form
    394,719.60/588,327.14 = 372,300.44/x
  3. Step 3: Cross multiply
    394,719.60x = 588,327.14 × 372,300.44
  4. Step 4: Simplify right side
    394,719.60x = 219,034,453,085.94
  5. Step 5: Solve for x
    x = 219,034,453,085.94/394,719.60
  6. Step 6: Final answer
    x = 554,911.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.