Home / 398,895.22-598,338.24-114,592.75

Finding the Fourth Proportional to 398,895.22, 598,338.24 and 114,592.75

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Solution

The fourth proportional to 398,895.22, 598,338.24 and 114,592.75 is: 171,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,895.22 : 598,338.24 = 114,592.75 : x
  2. Step 2: Convert to fraction form
    398,895.22/598,338.24 = 114,592.75/x
  3. Step 3: Cross multiply
    398,895.22x = 598,338.24 × 114,592.75
  4. Step 4: Simplify right side
    398,895.22x = 68,565,224,351.76
  5. Step 5: Solve for x
    x = 68,565,224,351.76/398,895.22
  6. Step 6: Final answer
    x = 171,887.81

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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.