Home / 3,389,603.43-5,084,403.53-865,257.87

Finding the Fourth Proportional to 3,389,603.43, 5,084,403.53 and 865,257.87

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Solution

The fourth proportional to 3,389,603.43, 5,084,403.53 and 865,257.87 is: 1,297,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,603.43 : 5,084,403.53 = 865,257.87 : x
  2. Step 2: Convert to fraction form
    3,389,603.43/5,084,403.53 = 865,257.87/x
  3. Step 3: Cross multiply
    3,389,603.43x = 5,084,403.53 × 865,257.87
  4. Step 4: Simplify right side
    3,389,603.43x = 4,399,320,164,261.99
  5. Step 5: Solve for x
    x = 4,399,320,164,261.99/3,389,603.43
  6. Step 6: Final answer
    x = 1,297,886.39

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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.