Home / 1,111,399.27-1,667,098.86-512,183.14

Finding the Fourth Proportional to 1,111,399.27, 1,667,098.86 and 512,183.14

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Solution

The fourth proportional to 1,111,399.27, 1,667,098.86 and 512,183.14 is: 768,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,399.27 : 1,667,098.86 = 512,183.14 : x
  2. Step 2: Convert to fraction form
    1,111,399.27/1,667,098.86 = 512,183.14/x
  3. Step 3: Cross multiply
    1,111,399.27x = 1,667,098.86 × 512,183.14
  4. Step 4: Simplify right side
    1,111,399.27x = 853,859,928,805.22
  5. Step 5: Solve for x
    x = 853,859,928,805.22/1,111,399.27
  6. Step 6: Final answer
    x = 768,274.69

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1.5x scale

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.