Home / 667,345.71-1,001,189.20-194,031.07

Finding the Fourth Proportional to 667,345.71, 1,001,189.20 and 194,031.07

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Solution

The fourth proportional to 667,345.71, 1,001,189.20 and 194,031.07 is: 291,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,345.71 : 1,001,189.20 = 194,031.07 : x
  2. Step 2: Convert to fraction form
    667,345.71/1,001,189.20 = 194,031.07/x
  3. Step 3: Cross multiply
    667,345.71x = 1,001,189.20 × 194,031.07
  4. Step 4: Simplify right side
    667,345.71x = 194,261,815,301.60
  5. Step 5: Solve for x
    x = 194,261,815,301.60/667,345.71
  6. Step 6: Final answer
    x = 291,096.22

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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.