Home / 729,009.90-1,093,514.85-255,524.40

Finding the Fourth Proportional to 729,009.90, 1,093,514.85 and 255,524.40

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Solution

The fourth proportional to 729,009.90, 1,093,514.85 and 255,524.40 is: 383,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,009.90 : 1,093,514.85 = 255,524.40 : x
  2. Step 2: Convert to fraction form
    729,009.90/1,093,514.85 = 255,524.40/x
  3. Step 3: Cross multiply
    729,009.90x = 1,093,514.85 × 255,524.40
  4. Step 4: Simplify right side
    729,009.90x = 279,419,725,937.34
  5. Step 5: Solve for x
    x = 279,419,725,937.34/729,009.90
  6. Step 6: Final answer
    x = 383,286.60

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Similar ratio
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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.