Home / 528,049.23-792,073.85-318,097.23

Finding the Fourth Proportional to 528,049.23, 792,073.85 and 318,097.23

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Solution

The fourth proportional to 528,049.23, 792,073.85 and 318,097.23 is: 477,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,049.23 : 792,073.85 = 318,097.23 : x
  2. Step 2: Convert to fraction form
    528,049.23/792,073.85 = 318,097.23/x
  3. Step 3: Cross multiply
    528,049.23x = 792,073.85 × 318,097.23
  4. Step 4: Simplify right side
    528,049.23x = 251,956,497,640.44
  5. Step 5: Solve for x
    x = 251,956,497,640.44/528,049.23
  6. Step 6: Final answer
    x = 477,145.85

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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.