Home / 823,606.40-1,235,409.60-792,113.60

Finding the Fourth Proportional to 823,606.40, 1,235,409.60 and 792,113.60

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Solution

The fourth proportional to 823,606.40, 1,235,409.60 and 792,113.60 is: 1,188,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,606.40 : 1,235,409.60 = 792,113.60 : x
  2. Step 2: Convert to fraction form
    823,606.40/1,235,409.60 = 792,113.60/x
  3. Step 3: Cross multiply
    823,606.40x = 1,235,409.60 × 792,113.60
  4. Step 4: Simplify right side
    823,606.40x = 978,584,745,730.56
  5. Step 5: Solve for x
    x = 978,584,745,730.56/823,606.40
  6. Step 6: Final answer
    x = 1,188,170.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.