Home / 842,341.75-1,263,049.92-414,937.15

Finding the Fourth Proportional to 842,341.75, 1,263,049.92 and 414,937.15

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Solution

The fourth proportional to 842,341.75, 1,263,049.92 and 414,937.15 is: 622,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,341.75 : 1,263,049.92 = 414,937.15 : x
  2. Step 2: Convert to fraction form
    842,341.75/1,263,049.92 = 414,937.15/x
  3. Step 3: Cross multiply
    842,341.75x = 1,263,049.92 × 414,937.15
  4. Step 4: Simplify right side
    842,341.75x = 524,086,334,112.53
  5. Step 5: Solve for x
    x = 524,086,334,112.53/842,341.75
  6. Step 6: Final answer
    x = 622,177.80

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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.