Home / 793,218.72-1,093,584.60-630,418.85

Finding the Fourth Proportional to 793,218.72, 1,093,584.60 and 630,418.85

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Solution

The fourth proportional to 793,218.72, 1,093,584.60 and 630,418.85 is: 869,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,218.72 : 1,093,584.60 = 630,418.85 : x
  2. Step 2: Convert to fraction form
    793,218.72/1,093,584.60 = 630,418.85/x
  3. Step 3: Cross multiply
    793,218.72x = 1,093,584.60 × 630,418.85
  4. Step 4: Simplify right side
    793,218.72x = 689,416,342,178.66
  5. Step 5: Solve for x
    x = 689,416,342,178.66/793,218.72
  6. Step 6: Final answer
    x = 869,137.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.