Home / 526,942.55-790,539.57-171,957.21

Finding the Fourth Proportional to 526,942.55, 790,539.57 and 171,957.21

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Solution

The fourth proportional to 526,942.55, 790,539.57 and 171,957.21 is: 257,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,942.55 : 790,539.57 = 171,957.21 : x
  2. Step 2: Convert to fraction form
    526,942.55/790,539.57 = 171,957.21/x
  3. Step 3: Cross multiply
    526,942.55x = 790,539.57 × 171,957.21
  4. Step 4: Simplify right side
    526,942.55x = 135,938,978,851.80
  5. Step 5: Solve for x
    x = 135,938,978,851.80/526,942.55
  6. Step 6: Final answer
    x = 257,976.85

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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.