Home / 1,302,336.78-1,954,171.34-619,994.61

Finding the Fourth Proportional to 1,302,336.78, 1,954,171.34 and 619,994.61

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Solution

The fourth proportional to 1,302,336.78, 1,954,171.34 and 619,994.61 is: 930,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,336.78 : 1,954,171.34 = 619,994.61 : x
  2. Step 2: Convert to fraction form
    1,302,336.78/1,954,171.34 = 619,994.61/x
  3. Step 3: Cross multiply
    1,302,336.78x = 1,954,171.34 × 619,994.61
  4. Step 4: Simplify right side
    1,302,336.78x = 1,211,575,694,716.50
  5. Step 5: Solve for x
    x = 1,211,575,694,716.50/1,302,336.78
  6. Step 6: Final answer
    x = 930,309.05

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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.