Home / 1,286,078.56-1,774,785.36-713,104

Finding the Fourth Proportional to 1,286,078.56, 1,774,785.36 and 713,104

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Solution

The fourth proportional to 1,286,078.56, 1,774,785.36 and 713,104 is: 984,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,078.56 : 1,774,785.36 = 713,104 : x
  2. Step 2: Convert to fraction form
    1,286,078.56/1,774,785.36 = 713,104/x
  3. Step 3: Cross multiply
    1,286,078.56x = 1,774,785.36 × 713,104
  4. Step 4: Simplify right side
    1,286,078.56x = 1,265,606,539,357.44
  5. Step 5: Solve for x
    x = 1,265,606,539,357.44/1,286,078.56
  6. Step 6: Final answer
    x = 984,081.83

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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.