Home / 705,194.40-1,057,683.60-231,880.80

Finding the Fourth Proportional to 705,194.40, 1,057,683.60 and 231,880.80

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Solution

The fourth proportional to 705,194.40, 1,057,683.60 and 231,880.80 is: 347,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,194.40 : 1,057,683.60 = 231,880.80 : x
  2. Step 2: Convert to fraction form
    705,194.40/1,057,683.60 = 231,880.80/x
  3. Step 3: Cross multiply
    705,194.40x = 1,057,683.60 × 231,880.80
  4. Step 4: Simplify right side
    705,194.40x = 245,256,519,314.88
  5. Step 5: Solve for x
    x = 245,256,519,314.88/705,194.40
  6. Step 6: Final answer
    x = 347,785.69

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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.