Home / 1,286,993.36-1,776,027.20-714,021.24

Finding the Fourth Proportional to 1,286,993.36, 1,776,027.20 and 714,021.24

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Solution

The fourth proportional to 1,286,993.36, 1,776,027.20 and 714,021.24 is: 985,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,993.36 : 1,776,027.20 = 714,021.24 : x
  2. Step 2: Convert to fraction form
    1,286,993.36/1,776,027.20 = 714,021.24/x
  3. Step 3: Cross multiply
    1,286,993.36x = 1,776,027.20 × 714,021.24
  4. Step 4: Simplify right side
    1,286,993.36x = 1,268,121,143,617.73
  5. Step 5: Solve for x
    x = 1,268,121,143,617.73/1,286,993.36
  6. Step 6: Final answer
    x = 985,336.20

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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.