Home / 1,213,747.40-1,821,277.20-539,932.70

Finding the Fourth Proportional to 1,213,747.40, 1,821,277.20 and 539,932.70

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Solution

The fourth proportional to 1,213,747.40, 1,821,277.20 and 539,932.70 is: 810,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,747.40 : 1,821,277.20 = 539,932.70 : x
  2. Step 2: Convert to fraction form
    1,213,747.40/1,821,277.20 = 539,932.70/x
  3. Step 3: Cross multiply
    1,213,747.40x = 1,821,277.20 × 539,932.70
  4. Step 4: Simplify right side
    1,213,747.40x = 983,367,116,044.44
  5. Step 5: Solve for x
    x = 983,367,116,044.44/1,213,747.40
  6. Step 6: Final answer
    x = 810,190.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.