Home / 809,397.41-1,116,977.47-446,821.46

Finding the Fourth Proportional to 809,397.41, 1,116,977.47 and 446,821.46

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Solution

The fourth proportional to 809,397.41, 1,116,977.47 and 446,821.46 is: 616,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,397.41 : 1,116,977.47 = 446,821.46 : x
  2. Step 2: Convert to fraction form
    809,397.41/1,116,977.47 = 446,821.46/x
  3. Step 3: Cross multiply
    809,397.41x = 1,116,977.47 × 446,821.46
  4. Step 4: Simplify right side
    809,397.41x = 499,089,497,230.57
  5. Step 5: Solve for x
    x = 499,089,497,230.57/809,397.41
  6. Step 6: Final answer
    x = 616,618.60

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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.