Home / 413,819.15-620,716.28-114,317.64

Finding the Fourth Proportional to 413,819.15, 620,716.28 and 114,317.64

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Solution

The fourth proportional to 413,819.15, 620,716.28 and 114,317.64 is: 171,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,819.15 : 620,716.28 = 114,317.64 : x
  2. Step 2: Convert to fraction form
    413,819.15/620,716.28 = 114,317.64/x
  3. Step 3: Cross multiply
    413,819.15x = 620,716.28 × 114,317.64
  4. Step 4: Simplify right side
    413,819.15x = 70,958,819,667.59
  5. Step 5: Solve for x
    x = 70,958,819,667.59/413,819.15
  6. Step 6: Final answer
    x = 171,473.02

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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.