Home / 715,428.30-1,072,912.74-235,544.46

Finding the Fourth Proportional to 715,428.30, 1,072,912.74 and 235,544.46

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Solution

The fourth proportional to 715,428.30, 1,072,912.74 and 235,544.46 is: 353,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,428.30 : 1,072,912.74 = 235,544.46 : x
  2. Step 2: Convert to fraction form
    715,428.30/1,072,912.74 = 235,544.46/x
  3. Step 3: Cross multiply
    715,428.30x = 1,072,912.74 × 235,544.46
  4. Step 4: Simplify right side
    715,428.30x = 252,718,647,063.71
  5. Step 5: Solve for x
    x = 252,718,647,063.71/715,428.30
  6. Step 6: Final answer
    x = 353,241.06

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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.