Home / 515,818.20-773,727.30-294,634.20

Finding the Fourth Proportional to 515,818.20, 773,727.30 and 294,634.20

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Solution

The fourth proportional to 515,818.20, 773,727.30 and 294,634.20 is: 441,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,818.20 : 773,727.30 = 294,634.20 : x
  2. Step 2: Convert to fraction form
    515,818.20/773,727.30 = 294,634.20/x
  3. Step 3: Cross multiply
    515,818.20x = 773,727.30 × 294,634.20
  4. Step 4: Simplify right side
    515,818.20x = 227,966,524,053.66
  5. Step 5: Solve for x
    x = 227,966,524,053.66/515,818.20
  6. Step 6: Final answer
    x = 441,951.30

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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.