Home / 809,318.68-1,116,860.00-446,742.77

Finding the Fourth Proportional to 809,318.68, 1,116,860.00 and 446,742.77

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Solution

The fourth proportional to 809,318.68, 1,116,860.00 and 446,742.77 is: 616,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,318.68 : 1,116,860.00 = 446,742.77 : x
  2. Step 2: Convert to fraction form
    809,318.68/1,116,860.00 = 446,742.77/x
  3. Step 3: Cross multiply
    809,318.68x = 1,116,860.00 × 446,742.77
  4. Step 4: Simplify right side
    809,318.68x = 498,949,127,868.49
  5. Step 5: Solve for x
    x = 498,949,127,868.49/809,318.68
  6. Step 6: Final answer
    x = 616,505.15

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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.