Home / 496,522.08-683,895.26-381,580.78

Finding the Fourth Proportional to 496,522.08, 683,895.26 and 381,580.78

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Solution

The fourth proportional to 496,522.08, 683,895.26 and 381,580.78 is: 525,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,522.08 : 683,895.26 = 381,580.78 : x
  2. Step 2: Convert to fraction form
    496,522.08/683,895.26 = 381,580.78/x
  3. Step 3: Cross multiply
    496,522.08x = 683,895.26 × 381,580.78
  4. Step 4: Simplify right side
    496,522.08x = 260,961,286,749.10
  5. Step 5: Solve for x
    x = 260,961,286,749.10/496,522.08
  6. Step 6: Final answer
    x = 525,578.41

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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.