Home / 1,235,861.20-1,853,791.80-437,168.80

Finding the Fourth Proportional to 1,235,861.20, 1,853,791.80 and 437,168.80

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Solution

The fourth proportional to 1,235,861.20, 1,853,791.80 and 437,168.80 is: 655,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,861.20 : 1,853,791.80 = 437,168.80 : x
  2. Step 2: Convert to fraction form
    1,235,861.20/1,853,791.80 = 437,168.80/x
  3. Step 3: Cross multiply
    1,235,861.20x = 1,853,791.80 × 437,168.80
  4. Step 4: Simplify right side
    1,235,861.20x = 810,419,936,655.84
  5. Step 5: Solve for x
    x = 810,419,936,655.84/1,235,861.20
  6. Step 6: Final answer
    x = 655,753.20

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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.