Home / 667,346.09-1,001,189.76-194,031.45

Finding the Fourth Proportional to 667,346.09, 1,001,189.76 and 194,031.45

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Solution

The fourth proportional to 667,346.09, 1,001,189.76 and 194,031.45 is: 291,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,346.09 : 1,001,189.76 = 194,031.45 : x
  2. Step 2: Convert to fraction form
    667,346.09/1,001,189.76 = 194,031.45/x
  3. Step 3: Cross multiply
    667,346.09x = 1,001,189.76 × 194,031.45
  4. Step 4: Simplify right side
    667,346.09x = 194,262,301,585.57
  5. Step 5: Solve for x
    x = 194,262,301,585.57/667,346.09
  6. Step 6: Final answer
    x = 291,096.79

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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.