Home / 544,558.60-815,865.90-263,456.20

Finding the Fourth Proportional to 544,558.60, 815,865.90 and 263,456.20

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Solution

The fourth proportional to 544,558.60, 815,865.90 and 263,456.20 is: 394,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,558.60 : 815,865.90 = 263,456.20 : x
  2. Step 2: Convert to fraction form
    544,558.60/815,865.90 = 263,456.20/x
  3. Step 3: Cross multiply
    544,558.60x = 815,865.90 × 263,456.20
  4. Step 4: Simplify right side
    544,558.60x = 214,944,929,723.58
  5. Step 5: Solve for x
    x = 214,944,929,723.58/544,558.60
  6. Step 6: Final answer
    x = 394,714.05

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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.