Home / 528,045.23-792,067.85-318,093.23

Finding the Fourth Proportional to 528,045.23, 792,067.85 and 318,093.23

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Solution

The fourth proportional to 528,045.23, 792,067.85 and 318,093.23 is: 477,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,045.23 : 792,067.85 = 318,093.23 : x
  2. Step 2: Convert to fraction form
    528,045.23/792,067.85 = 318,093.23/x
  3. Step 3: Cross multiply
    528,045.23x = 792,067.85 × 318,093.23
  4. Step 4: Simplify right side
    528,045.23x = 251,951,415,234.85
  5. Step 5: Solve for x
    x = 251,951,415,234.85/528,045.23
  6. Step 6: Final answer
    x = 477,139.84

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Similar ratio
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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.