Home / 1,513,588.82-2,088,768.87-825,255.02

Finding the Fourth Proportional to 1,513,588.82, 2,088,768.87 and 825,255.02

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Solution

The fourth proportional to 1,513,588.82, 2,088,768.87 and 825,255.02 is: 1,138,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,588.82 : 2,088,768.87 = 825,255.02 : x
  2. Step 2: Convert to fraction form
    1,513,588.82/2,088,768.87 = 825,255.02/x
  3. Step 3: Cross multiply
    1,513,588.82x = 2,088,768.87 × 825,255.02
  4. Step 4: Simplify right side
    1,513,588.82x = 1,723,766,985,143.38
  5. Step 5: Solve for x
    x = 1,723,766,985,143.38/1,513,588.82
  6. Step 6: Final answer
    x = 1,138,860.81

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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.