Home / 1,285,993.92-1,774,771.92-713,145.72

Finding the Fourth Proportional to 1,285,993.92, 1,774,771.92 and 713,145.72

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Solution

The fourth proportional to 1,285,993.92, 1,774,771.92 and 713,145.72 is: 984,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,993.92 : 1,774,771.92 = 713,145.72 : x
  2. Step 2: Convert to fraction form
    1,285,993.92/1,774,771.92 = 713,145.72/x
  3. Step 3: Cross multiply
    1,285,993.92x = 1,774,771.92 × 713,145.72
  4. Step 4: Simplify right side
    1,285,993.92x = 1,265,670,998,724.18
  5. Step 5: Solve for x
    x = 1,265,670,998,724.18/1,285,993.92
  6. Step 6: Final answer
    x = 984,196.72

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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.