Home / 598,120.38-825,403.67-326,187.60

Finding the Fourth Proportional to 598,120.38, 825,403.67 and 326,187.60

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Solution

The fourth proportional to 598,120.38, 825,403.67 and 326,187.60 is: 450,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,120.38 : 825,403.67 = 326,187.60 : x
  2. Step 2: Convert to fraction form
    598,120.38/825,403.67 = 326,187.60/x
  3. Step 3: Cross multiply
    598,120.38x = 825,403.67 × 326,187.60
  4. Step 4: Simplify right side
    598,120.38x = 269,236,440,517.55
  5. Step 5: Solve for x
    x = 269,236,440,517.55/598,120.38
  6. Step 6: Final answer
    x = 450,137.55

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1.5x scale

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.