Home / 823,290.84-1,234,922.82-262,317.72

Finding the Fourth Proportional to 823,290.84, 1,234,922.82 and 262,317.72

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Solution

The fourth proportional to 823,290.84, 1,234,922.82 and 262,317.72 is: 393,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,290.84 : 1,234,922.82 = 262,317.72 : x
  2. Step 2: Convert to fraction form
    823,290.84/1,234,922.82 = 262,317.72/x
  3. Step 3: Cross multiply
    823,290.84x = 1,234,922.82 × 262,317.72
  4. Step 4: Simplify right side
    823,290.84x = 323,942,138,518.37
  5. Step 5: Solve for x
    x = 323,942,138,518.37/823,290.84
  6. Step 6: Final answer
    x = 393,472.30

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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.