Home / 511,933.98-768,012.96-156,975.66

Finding the Fourth Proportional to 511,933.98, 768,012.96 and 156,975.66

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Solution

The fourth proportional to 511,933.98, 768,012.96 and 156,975.66 is: 235,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,933.98 : 768,012.96 = 156,975.66 : x
  2. Step 2: Convert to fraction form
    511,933.98/768,012.96 = 156,975.66/x
  3. Step 3: Cross multiply
    511,933.98x = 768,012.96 × 156,975.66
  4. Step 4: Simplify right side
    511,933.98x = 120,559,341,284.55
  5. Step 5: Solve for x
    x = 120,559,341,284.55/511,933.98
  6. Step 6: Final answer
    x = 235,497.83

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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.