Home / 682,108.76-1,022,287.50-326,590.04

Finding the Fourth Proportional to 682,108.76, 1,022,287.50 and 326,590.04

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Solution

The fourth proportional to 682,108.76, 1,022,287.50 and 326,590.04 is: 489,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,108.76 : 1,022,287.50 = 326,590.04 : x
  2. Step 2: Convert to fraction form
    682,108.76/1,022,287.50 = 326,590.04/x
  3. Step 3: Cross multiply
    682,108.76x = 1,022,287.50 × 326,590.04
  4. Step 4: Simplify right side
    682,108.76x = 333,868,915,516.50
  5. Step 5: Solve for x
    x = 333,868,915,516.50/682,108.76
  6. Step 6: Final answer
    x = 489,465.81

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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.