Home / 729,288.58-1,094,422.11-255,975.34

Finding the Fourth Proportional to 729,288.58, 1,094,422.11 and 255,975.34

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Solution

The fourth proportional to 729,288.58, 1,094,422.11 and 255,975.34 is: 384,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,288.58 : 1,094,422.11 = 255,975.34 : x
  2. Step 2: Convert to fraction form
    729,288.58/1,094,422.11 = 255,975.34/x
  3. Step 3: Cross multiply
    729,288.58x = 1,094,422.11 × 255,975.34
  4. Step 4: Simplify right side
    729,288.58x = 280,145,071,710.77
  5. Step 5: Solve for x
    x = 280,145,071,710.77/729,288.58
  6. Step 6: Final answer
    x = 384,134.73

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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.