Home / 949,665.72-1,425,195.54-764,907.96

Finding the Fourth Proportional to 949,665.72, 1,425,195.54 and 764,907.96

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Solution

The fourth proportional to 949,665.72, 1,425,195.54 and 764,907.96 is: 1,147,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,665.72 : 1,425,195.54 = 764,907.96 : x
  2. Step 2: Convert to fraction form
    949,665.72/1,425,195.54 = 764,907.96/x
  3. Step 3: Cross multiply
    949,665.72x = 1,425,195.54 × 764,907.96
  4. Step 4: Simplify right side
    949,665.72x = 1,090,143,413,102.50
  5. Step 5: Solve for x
    x = 1,090,143,413,102.50/949,665.72
  6. Step 6: Final answer
    x = 1,147,923.31

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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.