Home / 828,739.80-1,241,943.30-613,830.60

Finding the Fourth Proportional to 828,739.80, 1,241,943.30 and 613,830.60

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Solution

The fourth proportional to 828,739.80, 1,241,943.30 and 613,830.60 is: 919,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,739.80 : 1,241,943.30 = 613,830.60 : x
  2. Step 2: Convert to fraction form
    828,739.80/1,241,943.30 = 613,830.60/x
  3. Step 3: Cross multiply
    828,739.80x = 1,241,943.30 × 613,830.60
  4. Step 4: Simplify right side
    828,739.80x = 762,342,801,004.98
  5. Step 5: Solve for x
    x = 762,342,801,004.98/828,739.80
  6. Step 6: Final answer
    x = 919,881.97

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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.