Home / 1,286,517.02-1,775,606.01-713,741.72

Finding the Fourth Proportional to 1,286,517.02, 1,775,606.01 and 713,741.72

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Solution

The fourth proportional to 1,286,517.02, 1,775,606.01 and 713,741.72 is: 985,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,517.02 : 1,775,606.01 = 713,741.72 : x
  2. Step 2: Convert to fraction form
    1,286,517.02/1,775,606.01 = 713,741.72/x
  3. Step 3: Cross multiply
    1,286,517.02x = 1,775,606.01 × 713,741.72
  4. Step 4: Simplify right side
    1,286,517.02x = 1,267,324,087,619.74
  5. Step 5: Solve for x
    x = 1,267,324,087,619.74/1,286,517.02
  6. Step 6: Final answer
    x = 985,081.48

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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.