Home / 691,119.34-1,036,608.90-185,614.63

Finding the Fourth Proportional to 691,119.34, 1,036,608.90 and 185,614.63

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Solution

The fourth proportional to 691,119.34, 1,036,608.90 and 185,614.63 is: 278,403.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,119.34 : 1,036,608.90 = 185,614.63 : x
  2. Step 2: Convert to fraction form
    691,119.34/1,036,608.90 = 185,614.63/x
  3. Step 3: Cross multiply
    691,119.34x = 1,036,608.90 × 185,614.63
  4. Step 4: Simplify right side
    691,119.34x = 192,409,777,428.21
  5. Step 5: Solve for x
    x = 192,409,777,428.21/691,119.34
  6. Step 6: Final answer
    x = 278,403.12

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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.