Home / 1,286,101.08-1,774,908.72-713,194.56

Finding the Fourth Proportional to 1,286,101.08, 1,774,908.72 and 713,194.56

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Solution

The fourth proportional to 1,286,101.08, 1,774,908.72 and 713,194.56 is: 984,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,101.08 : 1,774,908.72 = 713,194.56 : x
  2. Step 2: Convert to fraction form
    1,286,101.08/1,774,908.72 = 713,194.56/x
  3. Step 3: Cross multiply
    1,286,101.08x = 1,774,908.72 × 713,194.56
  4. Step 4: Simplify right side
    1,286,101.08x = 1,265,855,243,600.56
  5. Step 5: Solve for x
    x = 1,265,855,243,600.56/1,286,101.08
  6. Step 6: Final answer
    x = 984,257.97

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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.