Home / 793,257.19-1,190,358.57-287,857.60

Finding the Fourth Proportional to 793,257.19, 1,190,358.57 and 287,857.60

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Solution

The fourth proportional to 793,257.19, 1,190,358.57 and 287,857.60 is: 431,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,257.19 : 1,190,358.57 = 287,857.60 : x
  2. Step 2: Convert to fraction form
    793,257.19/1,190,358.57 = 287,857.60/x
  3. Step 3: Cross multiply
    793,257.19x = 1,190,358.57 × 287,857.60
  4. Step 4: Simplify right side
    793,257.19x = 342,653,761,099.63
  5. Step 5: Solve for x
    x = 342,653,761,099.63/793,257.19
  6. Step 6: Final answer
    x = 431,957.96

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1.5x scale

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.