Home / 1,179,517.89-1,768,934.07-459,699.39

Finding the Fourth Proportional to 1,179,517.89, 1,768,934.07 and 459,699.39

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Solution

The fourth proportional to 1,179,517.89, 1,768,934.07 and 459,699.39 is: 689,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,517.89 : 1,768,934.07 = 459,699.39 : x
  2. Step 2: Convert to fraction form
    1,179,517.89/1,768,934.07 = 459,699.39/x
  3. Step 3: Cross multiply
    1,179,517.89x = 1,768,934.07 × 459,699.39
  4. Step 4: Simplify right side
    1,179,517.89x = 813,177,912,929.22
  5. Step 5: Solve for x
    x = 813,177,912,929.22/1,179,517.89
  6. Step 6: Final answer
    x = 689,415.50

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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.