Home / 492,786.70-738,964.05-226,458.70

Finding the Fourth Proportional to 492,786.70, 738,964.05 and 226,458.70

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Solution

The fourth proportional to 492,786.70, 738,964.05 and 226,458.70 is: 339,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,786.70 : 738,964.05 = 226,458.70 : x
  2. Step 2: Convert to fraction form
    492,786.70/738,964.05 = 226,458.70/x
  3. Step 3: Cross multiply
    492,786.70x = 738,964.05 × 226,458.70
  4. Step 4: Simplify right side
    492,786.70x = 167,344,838,109.74
  5. Step 5: Solve for x
    x = 167,344,838,109.74/492,786.70
  6. Step 6: Final answer
    x = 339,588.79

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1.5x scale

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.