Home / 619,764.19-930,039.55-264,780.88

Finding the Fourth Proportional to 619,764.19, 930,039.55 and 264,780.88

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Solution

The fourth proportional to 619,764.19, 930,039.55 and 264,780.88 is: 397,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,764.19 : 930,039.55 = 264,780.88 : x
  2. Step 2: Convert to fraction form
    619,764.19/930,039.55 = 264,780.88/x
  3. Step 3: Cross multiply
    619,764.19x = 930,039.55 × 264,780.88
  4. Step 4: Simplify right side
    619,764.19x = 246,256,687,496.75
  5. Step 5: Solve for x
    x = 246,256,687,496.75/619,764.19
  6. Step 6: Final answer
    x = 397,339.33

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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.