Home / 805,093.60-1,207,640.40-618,469.60

Finding the Fourth Proportional to 805,093.60, 1,207,640.40 and 618,469.60

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Solution

The fourth proportional to 805,093.60, 1,207,640.40 and 618,469.60 is: 927,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,093.60 : 1,207,640.40 = 618,469.60 : x
  2. Step 2: Convert to fraction form
    805,093.60/1,207,640.40 = 618,469.60/x
  3. Step 3: Cross multiply
    805,093.60x = 1,207,640.40 × 618,469.60
  4. Step 4: Simplify right side
    805,093.60x = 746,888,875,131.84
  5. Step 5: Solve for x
    x = 746,888,875,131.84/805,093.60
  6. Step 6: Final answer
    x = 927,704.40

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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.