Home / 1,063,841.80-1,591,874.70-783,905.80

Finding the Fourth Proportional to 1,063,841.80, 1,591,874.70 and 783,905.80

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Solution

The fourth proportional to 1,063,841.80, 1,591,874.70 and 783,905.80 is: 1,172,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,841.80 : 1,591,874.70 = 783,905.80 : x
  2. Step 2: Convert to fraction form
    1,063,841.80/1,591,874.70 = 783,905.80/x
  3. Step 3: Cross multiply
    1,063,841.80x = 1,591,874.70 × 783,905.80
  4. Step 4: Simplify right side
    1,063,841.80x = 1,247,879,810,203.26
  5. Step 5: Solve for x
    x = 1,247,879,810,203.26/1,063,841.80
  6. Step 6: Final answer
    x = 1,172,993.78

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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.