Home / 905,197.93-1,358,794.04-764,784.33

Finding the Fourth Proportional to 905,197.93, 1,358,794.04 and 764,784.33

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Solution

The fourth proportional to 905,197.93, 1,358,794.04 and 764,784.33 is: 1,148,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,197.93 : 1,358,794.04 = 764,784.33 : x
  2. Step 2: Convert to fraction form
    905,197.93/1,358,794.04 = 764,784.33/x
  3. Step 3: Cross multiply
    905,197.93x = 1,358,794.04 × 764,784.33
  4. Step 4: Simplify right side
    905,197.93x = 1,039,184,388,213.21
  5. Step 5: Solve for x
    x = 1,039,184,388,213.21/905,197.93
  6. Step 6: Final answer
    x = 1,148,018.96

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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.