Home / 809,415.14-1,116,986.63-446,839.49

Finding the Fourth Proportional to 809,415.14, 1,116,986.63 and 446,839.49

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Solution

The fourth proportional to 809,415.14, 1,116,986.63 and 446,839.49 is: 616,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,415.14 : 1,116,986.63 = 446,839.49 : x
  2. Step 2: Convert to fraction form
    809,415.14/1,116,986.63 = 446,839.49/x
  3. Step 3: Cross multiply
    809,415.14x = 1,116,986.63 × 446,839.49
  4. Step 4: Simplify right side
    809,415.14x = 499,113,736,644.29
  5. Step 5: Solve for x
    x = 499,113,736,644.29/809,415.14
  6. Step 6: Final answer
    x = 616,635.04

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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.