Home / 1,416,645.86-1,954,806.82-865,084.46

Finding the Fourth Proportional to 1,416,645.86, 1,954,806.82 and 865,084.46

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Solution

The fourth proportional to 1,416,645.86, 1,954,806.82 and 865,084.46 is: 1,193,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,645.86 : 1,954,806.82 = 865,084.46 : x
  2. Step 2: Convert to fraction form
    1,416,645.86/1,954,806.82 = 865,084.46/x
  3. Step 3: Cross multiply
    1,416,645.86x = 1,954,806.82 × 865,084.46
  4. Step 4: Simplify right side
    1,416,645.86x = 1,691,072,990,347.27
  5. Step 5: Solve for x
    x = 1,691,072,990,347.27/1,416,645.86
  6. Step 6: Final answer
    x = 1,193,716.12

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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.