Home / 919,854.72-1,379,788.36-351,082.44

Finding the Fourth Proportional to 919,854.72, 1,379,788.36 and 351,082.44

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Solution

The fourth proportional to 919,854.72, 1,379,788.36 and 351,082.44 is: 526,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,854.72 : 1,379,788.36 = 351,082.44 : x
  2. Step 2: Convert to fraction form
    919,854.72/1,379,788.36 = 351,082.44/x
  3. Step 3: Cross multiply
    919,854.72x = 1,379,788.36 × 351,082.44
  4. Step 4: Simplify right side
    919,854.72x = 484,419,463,234.69
  5. Step 5: Solve for x
    x = 484,419,463,234.69/919,854.72
  6. Step 6: Final answer
    x = 526,626.06

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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.