Home / 1,100,778.11-1,519,084.80-617,332.88

Finding the Fourth Proportional to 1,100,778.11, 1,519,084.80 and 617,332.88

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Solution

The fourth proportional to 1,100,778.11, 1,519,084.80 and 617,332.88 is: 851,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,778.11 : 1,519,084.80 = 617,332.88 : x
  2. Step 2: Convert to fraction form
    1,100,778.11/1,519,084.80 = 617,332.88/x
  3. Step 3: Cross multiply
    1,100,778.11x = 1,519,084.80 × 617,332.88
  4. Step 4: Simplify right side
    1,100,778.11x = 937,780,986,952.80
  5. Step 5: Solve for x
    x = 937,780,986,952.80/1,100,778.11
  6. Step 6: Final answer
    x = 851,925.54

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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.