Home / 413,729.39-620,581.69-114,228.25

Finding the Fourth Proportional to 413,729.39, 620,581.69 and 114,228.25

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Solution

The fourth proportional to 413,729.39, 620,581.69 and 114,228.25 is: 171,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,729.39 : 620,581.69 = 114,228.25 : x
  2. Step 2: Convert to fraction form
    413,729.39/620,581.69 = 114,228.25/x
  3. Step 3: Cross multiply
    413,729.39x = 620,581.69 × 114,228.25
  4. Step 4: Simplify right side
    413,729.39x = 70,887,959,859.60
  5. Step 5: Solve for x
    x = 70,887,959,859.60/413,729.39
  6. Step 6: Final answer
    x = 171,338.95

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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.