Home / 413,719.12-620,566.32-114,217.96

Finding the Fourth Proportional to 413,719.12, 620,566.32 and 114,217.96

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Solution

The fourth proportional to 413,719.12, 620,566.32 and 114,217.96 is: 171,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,719.12 : 620,566.32 = 114,217.96 : x
  2. Step 2: Convert to fraction form
    413,719.12/620,566.32 = 114,217.96/x
  3. Step 3: Cross multiply
    413,719.12x = 620,566.32 × 114,217.96
  4. Step 4: Simplify right side
    413,719.12x = 70,879,819,115.11
  5. Step 5: Solve for x
    x = 70,879,819,115.11/413,719.12
  6. Step 6: Final answer
    x = 171,323.53

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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.