Home / 1,400,999.67-2,101,794.93-454,296.78

Finding the Fourth Proportional to 1,400,999.67, 2,101,794.93 and 454,296.78

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Solution

The fourth proportional to 1,400,999.67, 2,101,794.93 and 454,296.78 is: 681,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,999.67 : 2,101,794.93 = 454,296.78 : x
  2. Step 2: Convert to fraction form
    1,400,999.67/2,101,794.93 = 454,296.78/x
  3. Step 3: Cross multiply
    1,400,999.67x = 2,101,794.93 × 454,296.78
  4. Step 4: Simplify right side
    1,400,999.67x = 954,838,668,919.33
  5. Step 5: Solve for x
    x = 954,838,668,919.33/1,400,999.67
  6. Step 6: Final answer
    x = 681,540.97

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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.