Home / 3,503,112.30-5,254,668.45-978,767.55

Finding the Fourth Proportional to 3,503,112.30, 5,254,668.45 and 978,767.55

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Solution

The fourth proportional to 3,503,112.30, 5,254,668.45 and 978,767.55 is: 1,468,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503,112.30 : 5,254,668.45 = 978,767.55 : x
  2. Step 2: Convert to fraction form
    3,503,112.30/5,254,668.45 = 978,767.55/x
  3. Step 3: Cross multiply
    3,503,112.30x = 5,254,668.45 × 978,767.55
  4. Step 4: Simplify right side
    3,503,112.30x = 5,143,098,964,868.80
  5. Step 5: Solve for x
    x = 5,143,098,964,868.80/3,503,112.30
  6. Step 6: Final answer
    x = 1,468,151.33

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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.