Home / 443,660.22-612,249.75-242,456.22

Finding the Fourth Proportional to 443,660.22, 612,249.75 and 242,456.22

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Solution

The fourth proportional to 443,660.22, 612,249.75 and 242,456.22 is: 334,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,660.22 : 612,249.75 = 242,456.22 : x
  2. Step 2: Convert to fraction form
    443,660.22/612,249.75 = 242,456.22/x
  3. Step 3: Cross multiply
    443,660.22x = 612,249.75 × 242,456.22
  4. Step 4: Simplify right side
    443,660.22x = 148,443,760,080.95
  5. Step 5: Solve for x
    x = 148,443,760,080.95/443,660.22
  6. Step 6: Final answer
    x = 334,588.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.