Home / 682,435.28-1,022,822.77-482,813.21

Finding the Fourth Proportional to 682,435.28, 1,022,822.77 and 482,813.21

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Solution

The fourth proportional to 682,435.28, 1,022,822.77 and 482,813.21 is: 723,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,435.28 : 1,022,822.77 = 482,813.21 : x
  2. Step 2: Convert to fraction form
    682,435.28/1,022,822.77 = 482,813.21/x
  3. Step 3: Cross multiply
    682,435.28x = 1,022,822.77 × 482,813.21
  4. Step 4: Simplify right side
    682,435.28x = 493,832,344,844.79
  5. Step 5: Solve for x
    x = 493,832,344,844.79/682,435.28
  6. Step 6: Final answer
    x = 723,632.50

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1.5x scale

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.