Home / 919,495.45-1,379,363.64-303,794.83

Finding the Fourth Proportional to 919,495.45, 1,379,363.64 and 303,794.83

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Solution

The fourth proportional to 919,495.45, 1,379,363.64 and 303,794.83 is: 455,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,495.45 : 1,379,363.64 = 303,794.83 : x
  2. Step 2: Convert to fraction form
    919,495.45/1,379,363.64 = 303,794.83/x
  3. Step 3: Cross multiply
    919,495.45x = 1,379,363.64 × 303,794.83
  4. Step 4: Simplify right side
    919,495.45x = 419,043,542,521.98
  5. Step 5: Solve for x
    x = 419,043,542,521.98/919,495.45
  6. Step 6: Final answer
    x = 455,732.05

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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.