Home / 1,265,986.13-1,899,145.94-412,758.14

Finding the Fourth Proportional to 1,265,986.13, 1,899,145.94 and 412,758.14

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Solution

The fourth proportional to 1,265,986.13, 1,899,145.94 and 412,758.14 is: 619,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,986.13 : 1,899,145.94 = 412,758.14 : x
  2. Step 2: Convert to fraction form
    1,265,986.13/1,899,145.94 = 412,758.14/x
  3. Step 3: Cross multiply
    1,265,986.13x = 1,899,145.94 × 412,758.14
  4. Step 4: Simplify right side
    1,265,986.13x = 783,887,934,223.43
  5. Step 5: Solve for x
    x = 783,887,934,223.43/1,265,986.13
  6. Step 6: Final answer
    x = 619,191.57

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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.