Home / 809,894.24-1,216,089.86-685,173.26

Finding the Fourth Proportional to 809,894.24, 1,216,089.86 and 685,173.26

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Solution

The fourth proportional to 809,894.24, 1,216,089.86 and 685,173.26 is: 1,028,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,894.24 : 1,216,089.86 = 685,173.26 : x
  2. Step 2: Convert to fraction form
    809,894.24/1,216,089.86 = 685,173.26/x
  3. Step 3: Cross multiply
    809,894.24x = 1,216,089.86 × 685,173.26
  4. Step 4: Simplify right side
    809,894.24x = 833,232,253,829.14
  5. Step 5: Solve for x
    x = 833,232,253,829.14/809,894.24
  6. Step 6: Final answer
    x = 1,028,816.13

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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.