Home / 1,205,958.43-1,664,255.12-682,628.50

Finding the Fourth Proportional to 1,205,958.43, 1,664,255.12 and 682,628.50

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Solution

The fourth proportional to 1,205,958.43, 1,664,255.12 and 682,628.50 is: 942,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,958.43 : 1,664,255.12 = 682,628.50 : x
  2. Step 2: Convert to fraction form
    1,205,958.43/1,664,255.12 = 682,628.50/x
  3. Step 3: Cross multiply
    1,205,958.43x = 1,664,255.12 × 682,628.50
  4. Step 4: Simplify right side
    1,205,958.43x = 1,136,067,976,182.92
  5. Step 5: Solve for x
    x = 1,136,067,976,182.92/1,205,958.43
  6. Step 6: Final answer
    x = 942,045.72

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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.