Home / 668,190.32-1,002,233.19-188,398.75

Finding the Fourth Proportional to 668,190.32, 1,002,233.19 and 188,398.75

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Solution

The fourth proportional to 668,190.32, 1,002,233.19 and 188,398.75 is: 282,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,190.32 : 1,002,233.19 = 188,398.75 : x
  2. Step 2: Convert to fraction form
    668,190.32/1,002,233.19 = 188,398.75/x
  3. Step 3: Cross multiply
    668,190.32x = 1,002,233.19 × 188,398.75
  4. Step 4: Simplify right side
    668,190.32x = 188,819,479,754.74
  5. Step 5: Solve for x
    x = 188,819,479,754.74/668,190.32
  6. Step 6: Final answer
    x = 282,583.38

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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.