Home / 479,765.30-719,606.16-195,485.81

Finding the Fourth Proportional to 479,765.30, 719,606.16 and 195,485.81

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Solution

The fourth proportional to 479,765.30, 719,606.16 and 195,485.81 is: 293,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,765.30 : 719,606.16 = 195,485.81 : x
  2. Step 2: Convert to fraction form
    479,765.30/719,606.16 = 195,485.81/x
  3. Step 3: Cross multiply
    479,765.30x = 719,606.16 × 195,485.81
  4. Step 4: Simplify right side
    479,765.30x = 140,672,789,470.56
  5. Step 5: Solve for x
    x = 140,672,789,470.56/479,765.30
  6. Step 6: Final answer
    x = 293,211.68

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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.