Home / 1,213,198.56-1,819,797.84-414,486.72

Finding the Fourth Proportional to 1,213,198.56, 1,819,797.84 and 414,486.72

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Solution

The fourth proportional to 1,213,198.56, 1,819,797.84 and 414,486.72 is: 621,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,198.56 : 1,819,797.84 = 414,486.72 : x
  2. Step 2: Convert to fraction form
    1,213,198.56/1,819,797.84 = 414,486.72/x
  3. Step 3: Cross multiply
    1,213,198.56x = 1,819,797.84 × 414,486.72
  4. Step 4: Simplify right side
    1,213,198.56x = 754,282,037,764.69
  5. Step 5: Solve for x
    x = 754,282,037,764.69/1,213,198.56
  6. Step 6: Final answer
    x = 621,730.08

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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.