Home / 414,211.75-620,321.16-236,179.03

Finding the Fourth Proportional to 414,211.75, 620,321.16 and 236,179.03

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Solution

The fourth proportional to 414,211.75, 620,321.16 and 236,179.03 is: 353,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,211.75 : 620,321.16 = 236,179.03 : x
  2. Step 2: Convert to fraction form
    414,211.75/620,321.16 = 236,179.03/x
  3. Step 3: Cross multiply
    414,211.75x = 620,321.16 × 236,179.03
  4. Step 4: Simplify right side
    414,211.75x = 146,506,849,857.28
  5. Step 5: Solve for x
    x = 146,506,849,857.28/414,211.75
  6. Step 6: Final answer
    x = 353,700.37

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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.