Home / 509,623.47-764,435.30-149,794.29

Finding the Fourth Proportional to 509,623.47, 764,435.30 and 149,794.29

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Solution

The fourth proportional to 509,623.47, 764,435.30 and 149,794.29 is: 224,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,623.47 : 764,435.30 = 149,794.29 : x
  2. Step 2: Convert to fraction form
    509,623.47/764,435.30 = 149,794.29/x
  3. Step 3: Cross multiply
    509,623.47x = 764,435.30 × 149,794.29
  4. Step 4: Simplify right side
    509,623.47x = 114,508,042,265.47
  5. Step 5: Solve for x
    x = 114,508,042,265.47/509,623.47
  6. Step 6: Final answer
    x = 224,691.46

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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.