Home / 1,391,197.68-1,921,653.72-1,150,452.72

Finding the Fourth Proportional to 1,391,197.68, 1,921,653.72 and 1,150,452.72

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Solution

The fourth proportional to 1,391,197.68, 1,921,653.72 and 1,150,452.72 is: 1,589,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,197.68 : 1,921,653.72 = 1,150,452.72 : x
  2. Step 2: Convert to fraction form
    1,391,197.68/1,921,653.72 = 1,150,452.72/x
  3. Step 3: Cross multiply
    1,391,197.68x = 1,921,653.72 × 1,150,452.72
  4. Step 4: Simplify right side
    1,391,197.68x = 2,210,771,749,072.12
  5. Step 5: Solve for x
    x = 2,210,771,749,072.12/1,391,197.68
  6. Step 6: Final answer
    x = 1,589,114.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.