Home / 682,932.70-1,025,176.65-402,607.90

Finding the Fourth Proportional to 682,932.70, 1,025,176.65 and 402,607.90

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Solution

The fourth proportional to 682,932.70, 1,025,176.65 and 402,607.90 is: 604,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,932.70 : 1,025,176.65 = 402,607.90 : x
  2. Step 2: Convert to fraction form
    682,932.70/1,025,176.65 = 402,607.90/x
  3. Step 3: Cross multiply
    682,932.70x = 1,025,176.65 × 402,607.90
  4. Step 4: Simplify right side
    682,932.70x = 412,744,218,185.54
  5. Step 5: Solve for x
    x = 412,744,218,185.54/682,932.70
  6. Step 6: Final answer
    x = 604,370.27

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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.