Home / 905,238.42-1,355,913.81-852,241.92

Finding the Fourth Proportional to 905,238.42, 1,355,913.81 and 852,241.92

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Solution

The fourth proportional to 905,238.42, 1,355,913.81 and 852,241.92 is: 1,276,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,238.42 : 1,355,913.81 = 852,241.92 : x
  2. Step 2: Convert to fraction form
    905,238.42/1,355,913.81 = 852,241.92/x
  3. Step 3: Cross multiply
    905,238.42x = 1,355,913.81 × 852,241.92
  4. Step 4: Simplify right side
    905,238.42x = 1,155,566,588,788.92
  5. Step 5: Solve for x
    x = 1,155,566,588,788.92/905,238.42
  6. Step 6: Final answer
    x = 1,276,532.86

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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.