Home / 535,318.62-738,736.22-305,946.06

Finding the Fourth Proportional to 535,318.62, 738,736.22 and 305,946.06

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Solution

The fourth proportional to 535,318.62, 738,736.22 and 305,946.06 is: 422,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,318.62 : 738,736.22 = 305,946.06 : x
  2. Step 2: Convert to fraction form
    535,318.62/738,736.22 = 305,946.06/x
  3. Step 3: Cross multiply
    535,318.62x = 738,736.22 × 305,946.06
  4. Step 4: Simplify right side
    535,318.62x = 226,013,434,358.56
  5. Step 5: Solve for x
    x = 226,013,434,358.56/535,318.62
  6. Step 6: Final answer
    x = 422,203.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.