Home / 1,242,641.37-1,863,958.92-344,080.11

Finding the Fourth Proportional to 1,242,641.37, 1,863,958.92 and 344,080.11

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Solution

The fourth proportional to 1,242,641.37, 1,863,958.92 and 344,080.11 is: 516,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,641.37 : 1,863,958.92 = 344,080.11 : x
  2. Step 2: Convert to fraction form
    1,242,641.37/1,863,958.92 = 344,080.11/x
  3. Step 3: Cross multiply
    1,242,641.37x = 1,863,958.92 × 344,080.11
  4. Step 4: Simplify right side
    1,242,641.37x = 641,351,190,229.08
  5. Step 5: Solve for x
    x = 641,351,190,229.08/1,242,641.37
  6. Step 6: Final answer
    x = 516,119.30

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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.