Home / 693,643.08-1,040,515.68-294,238.56

Finding the Fourth Proportional to 693,643.08, 1,040,515.68 and 294,238.56

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Solution

The fourth proportional to 693,643.08, 1,040,515.68 and 294,238.56 is: 441,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,643.08 : 1,040,515.68 = 294,238.56 : x
  2. Step 2: Convert to fraction form
    693,643.08/1,040,515.68 = 294,238.56/x
  3. Step 3: Cross multiply
    693,643.08x = 1,040,515.68 × 294,238.56
  4. Step 4: Simplify right side
    693,643.08x = 306,159,835,340.62
  5. Step 5: Solve for x
    x = 306,159,835,340.62/693,643.08
  6. Step 6: Final answer
    x = 441,379.50

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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.