Home / 809,857.71-1,117,333.04-523,739.79

Finding the Fourth Proportional to 809,857.71, 1,117,333.04 and 523,739.79

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Solution

The fourth proportional to 809,857.71, 1,117,333.04 and 523,739.79 is: 722,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,857.71 : 1,117,333.04 = 523,739.79 : x
  2. Step 2: Convert to fraction form
    809,857.71/1,117,333.04 = 523,739.79/x
  3. Step 3: Cross multiply
    809,857.71x = 1,117,333.04 × 523,739.79
  4. Step 4: Simplify right side
    809,857.71x = 585,191,769,110.96
  5. Step 5: Solve for x
    x = 585,191,769,110.96/809,857.71
  6. Step 6: Final answer
    x = 722,585.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.