Home / 856,906.45-1,181,993.16-551,379.81

Finding the Fourth Proportional to 856,906.45, 1,181,993.16 and 551,379.81

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Solution

The fourth proportional to 856,906.45, 1,181,993.16 and 551,379.81 is: 760,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,906.45 : 1,181,993.16 = 551,379.81 : x
  2. Step 2: Convert to fraction form
    856,906.45/1,181,993.16 = 551,379.81/x
  3. Step 3: Cross multiply
    856,906.45x = 1,181,993.16 × 551,379.81
  4. Step 4: Simplify right side
    856,906.45x = 651,727,163,982.10
  5. Step 5: Solve for x
    x = 651,727,163,982.10/856,906.45
  6. Step 6: Final answer
    x = 760,558.13

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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.