Home / 809,268.47-1,116,790.55-446,692.42

Finding the Fourth Proportional to 809,268.47, 1,116,790.55 and 446,692.42

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Solution

The fourth proportional to 809,268.47, 1,116,790.55 and 446,692.42 is: 616,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,268.47 : 1,116,790.55 = 446,692.42 : x
  2. Step 2: Convert to fraction form
    809,268.47/1,116,790.55 = 446,692.42/x
  3. Step 3: Cross multiply
    809,268.47x = 1,116,790.55 × 446,692.42
  4. Step 4: Simplify right side
    809,268.47x = 498,861,873,412.63
  5. Step 5: Solve for x
    x = 498,861,873,412.63/809,268.47
  6. Step 6: Final answer
    x = 616,435.57

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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.