Home / 567,949.01-783,771.87-309,831.44

Finding the Fourth Proportional to 567,949.01, 783,771.87 and 309,831.44

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Solution

The fourth proportional to 567,949.01, 783,771.87 and 309,831.44 is: 427,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,949.01 : 783,771.87 = 309,831.44 : x
  2. Step 2: Convert to fraction form
    567,949.01/783,771.87 = 309,831.44/x
  3. Step 3: Cross multiply
    567,949.01x = 783,771.87 × 309,831.44
  4. Step 4: Simplify right side
    567,949.01x = 242,837,169,073.02
  5. Step 5: Solve for x
    x = 242,837,169,073.02/567,949.01
  6. Step 6: Final answer
    x = 427,568.61

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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.