Home / 809,804.06-1,214,933.10-354,434.95

Finding the Fourth Proportional to 809,804.06, 1,214,933.10 and 354,434.95

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Solution

The fourth proportional to 809,804.06, 1,214,933.10 and 354,434.95 is: 531,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,804.06 : 1,214,933.10 = 354,434.95 : x
  2. Step 2: Convert to fraction form
    809,804.06/1,214,933.10 = 354,434.95/x
  3. Step 3: Cross multiply
    809,804.06x = 1,214,933.10 × 354,434.95
  4. Step 4: Simplify right side
    809,804.06x = 430,614,752,551.85
  5. Step 5: Solve for x
    x = 430,614,752,551.85/809,804.06
  6. Step 6: Final answer
    x = 531,751.78

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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.