Home / 809,845.23-1,214,989.79-354,353.93

Finding the Fourth Proportional to 809,845.23, 1,214,989.79 and 354,353.93

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Solution

The fourth proportional to 809,845.23, 1,214,989.79 and 354,353.93 is: 531,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,845.23 : 1,214,989.79 = 354,353.93 : x
  2. Step 2: Convert to fraction form
    809,845.23/1,214,989.79 = 354,353.93/x
  3. Step 3: Cross multiply
    809,845.23x = 1,214,989.79 × 354,353.93
  4. Step 4: Simplify right side
    809,845.23x = 430,536,399,149.66
  5. Step 5: Solve for x
    x = 430,536,399,149.66/809,845.23
  6. Step 6: Final answer
    x = 531,628.00

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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.