Home / 865,186.88-1,298,057.55-605,794.68

Finding the Fourth Proportional to 865,186.88, 1,298,057.55 and 605,794.68

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Solution

The fourth proportional to 865,186.88, 1,298,057.55 and 605,794.68 is: 908,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,186.88 : 1,298,057.55 = 605,794.68 : x
  2. Step 2: Convert to fraction form
    865,186.88/1,298,057.55 = 605,794.68/x
  3. Step 3: Cross multiply
    865,186.88x = 1,298,057.55 × 605,794.68
  4. Step 4: Simplify right side
    865,186.88x = 786,356,361,368.98
  5. Step 5: Solve for x
    x = 786,356,361,368.98/865,186.88
  6. Step 6: Final answer
    x = 908,886.14

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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.