Home / 1,286,633.54-1,775,767.23-713,858.24

Finding the Fourth Proportional to 1,286,633.54, 1,775,767.23 and 713,858.24

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Solution

The fourth proportional to 1,286,633.54, 1,775,767.23 and 713,858.24 is: 985,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,633.54 : 1,775,767.23 = 713,858.24 : x
  2. Step 2: Convert to fraction form
    1,286,633.54/1,775,767.23 = 713,858.24/x
  3. Step 3: Cross multiply
    1,286,633.54x = 1,775,767.23 × 713,858.24
  4. Step 4: Simplify right side
    1,286,633.54x = 1,267,646,060,578.64
  5. Step 5: Solve for x
    x = 1,267,646,060,578.64/1,286,633.54
  6. Step 6: Final answer
    x = 985,242.52

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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.