Home / 598,121.38-825,405.04-326,188.60

Finding the Fourth Proportional to 598,121.38, 825,405.04 and 326,188.60

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Solution

The fourth proportional to 598,121.38, 825,405.04 and 326,188.60 is: 450,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,121.38 : 825,405.04 = 326,188.60 : x
  2. Step 2: Convert to fraction form
    598,121.38/825,405.04 = 326,188.60/x
  3. Step 3: Cross multiply
    598,121.38x = 825,405.04 × 326,188.60
  4. Step 4: Simplify right side
    598,121.38x = 269,237,714,430.54
  5. Step 5: Solve for x
    x = 269,237,714,430.54/598,121.38
  6. Step 6: Final answer
    x = 450,138.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.