Home / 809,414.80-1,116,994.05-446,839.15

Finding the Fourth Proportional to 809,414.80, 1,116,994.05 and 446,839.15

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Solution

The fourth proportional to 809,414.80, 1,116,994.05 and 446,839.15 is: 616,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,414.80 : 1,116,994.05 = 446,839.15 : x
  2. Step 2: Convert to fraction form
    809,414.80/1,116,994.05 = 446,839.15/x
  3. Step 3: Cross multiply
    809,414.80x = 1,116,994.05 × 446,839.15
  4. Step 4: Simplify right side
    809,414.80x = 499,116,671,857.06
  5. Step 5: Solve for x
    x = 499,116,671,857.06/809,414.80
  6. Step 6: Final answer
    x = 616,638.92

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1.5x scale

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.