Home / 1,213,443.40-1,819,992.30-414,761.80

Finding the Fourth Proportional to 1,213,443.40, 1,819,992.30 and 414,761.80

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Solution

The fourth proportional to 1,213,443.40, 1,819,992.30 and 414,761.80 is: 622,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,443.40 : 1,819,992.30 = 414,761.80 : x
  2. Step 2: Convert to fraction form
    1,213,443.40/1,819,992.30 = 414,761.80/x
  3. Step 3: Cross multiply
    1,213,443.40x = 1,819,992.30 × 414,761.80
  4. Step 4: Simplify right side
    1,213,443.40x = 754,863,282,334.14
  5. Step 5: Solve for x
    x = 754,863,282,334.14/1,213,443.40
  6. Step 6: Final answer
    x = 622,083.64

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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.