Home / 823,554.84-1,235,319.30-262,585.56

Finding the Fourth Proportional to 823,554.84, 1,235,319.30 and 262,585.56

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Solution

The fourth proportional to 823,554.84, 1,235,319.30 and 262,585.56 is: 393,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,554.84 : 1,235,319.30 = 262,585.56 : x
  2. Step 2: Convert to fraction form
    823,554.84/1,235,319.30 = 262,585.56/x
  3. Step 3: Cross multiply
    823,554.84x = 1,235,319.30 × 262,585.56
  4. Step 4: Simplify right side
    823,554.84x = 324,377,010,169.31
  5. Step 5: Solve for x
    x = 324,377,010,169.31/823,554.84
  6. Step 6: Final answer
    x = 393,874.21

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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.