Home / 865,186.68-1,298,057.27-605,794.48

Finding the Fourth Proportional to 865,186.68, 1,298,057.27 and 605,794.48

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Solution

The fourth proportional to 865,186.68, 1,298,057.27 and 605,794.48 is: 908,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,186.68 : 1,298,057.27 = 605,794.48 : x
  2. Step 2: Convert to fraction form
    865,186.68/1,298,057.27 = 605,794.48/x
  3. Step 3: Cross multiply
    865,186.68x = 1,298,057.27 × 605,794.48
  4. Step 4: Simplify right side
    865,186.68x = 786,355,928,889.87
  5. Step 5: Solve for x
    x = 786,355,928,889.87/865,186.68
  6. Step 6: Final answer
    x = 908,885.85

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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.