Home / 347,674.14-520,576.85-220,626.53

Finding the Fourth Proportional to 347,674.14, 520,576.85 and 220,626.53

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Solution

The fourth proportional to 347,674.14, 520,576.85 and 220,626.53 is: 330,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,674.14 : 520,576.85 = 220,626.53 : x
  2. Step 2: Convert to fraction form
    347,674.14/520,576.85 = 220,626.53/x
  3. Step 3: Cross multiply
    347,674.14x = 520,576.85 × 220,626.53
  4. Step 4: Simplify right side
    347,674.14x = 114,853,065,866.84
  5. Step 5: Solve for x
    x = 114,853,065,866.84/347,674.14
  6. Step 6: Final answer
    x = 330,346.87

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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.