Home / 1,212,758.12-1,819,448.87-454,609.96

Finding the Fourth Proportional to 1,212,758.12, 1,819,448.87 and 454,609.96

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Solution

The fourth proportional to 1,212,758.12, 1,819,448.87 and 454,609.96 is: 682,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,758.12 : 1,819,448.87 = 454,609.96 : x
  2. Step 2: Convert to fraction form
    1,212,758.12/1,819,448.87 = 454,609.96/x
  3. Step 3: Cross multiply
    1,212,758.12x = 1,819,448.87 × 454,609.96
  4. Step 4: Simplify right side
    1,212,758.12x = 827,139,571,191.07
  5. Step 5: Solve for x
    x = 827,139,571,191.07/1,212,758.12
  6. Step 6: Final answer
    x = 682,031.77

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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.