Home / 769,791.06-1,154,565.30-257,452.30

Finding the Fourth Proportional to 769,791.06, 1,154,565.30 and 257,452.30

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Solution

The fourth proportional to 769,791.06, 1,154,565.30 and 257,452.30 is: 386,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,791.06 : 1,154,565.30 = 257,452.30 : x
  2. Step 2: Convert to fraction form
    769,791.06/1,154,565.30 = 257,452.30/x
  3. Step 3: Cross multiply
    769,791.06x = 1,154,565.30 × 257,452.30
  4. Step 4: Simplify right side
    769,791.06x = 297,245,491,985.19
  5. Step 5: Solve for x
    x = 297,245,491,985.19/769,791.06
  6. Step 6: Final answer
    x = 386,137.89

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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.