Home / 763,508.96-1,145,262.19-194,889.97

Finding the Fourth Proportional to 763,508.96, 1,145,262.19 and 194,889.97

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Solution

The fourth proportional to 763,508.96, 1,145,262.19 and 194,889.97 is: 292,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,508.96 : 1,145,262.19 = 194,889.97 : x
  2. Step 2: Convert to fraction form
    763,508.96/1,145,262.19 = 194,889.97/x
  3. Step 3: Cross multiply
    763,508.96x = 1,145,262.19 × 194,889.97
  4. Step 4: Simplify right side
    763,508.96x = 223,200,113,851.23
  5. Step 5: Solve for x
    x = 223,200,113,851.23/763,508.96
  6. Step 6: Final answer
    x = 292,334.64

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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.