Home / 674,636.78-1,011,806.11-194,760.34

Finding the Fourth Proportional to 674,636.78, 1,011,806.11 and 194,760.34

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Solution

The fourth proportional to 674,636.78, 1,011,806.11 and 194,760.34 is: 292,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,636.78 : 1,011,806.11 = 194,760.34 : x
  2. Step 2: Convert to fraction form
    674,636.78/1,011,806.11 = 194,760.34/x
  3. Step 3: Cross multiply
    674,636.78x = 1,011,806.11 × 194,760.34
  4. Step 4: Simplify right side
    674,636.78x = 197,059,700,076.79
  5. Step 5: Solve for x
    x = 197,059,700,076.79/674,636.78
  6. Step 6: Final answer
    x = 292,097.48

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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.