Home / 831,744.80-1,247,605.68-200,653.28

Finding the Fourth Proportional to 831,744.80, 1,247,605.68 and 200,653.28

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Solution

The fourth proportional to 831,744.80, 1,247,605.68 and 200,653.28 is: 300,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,744.80 : 1,247,605.68 = 200,653.28 : x
  2. Step 2: Convert to fraction form
    831,744.80/1,247,605.68 = 200,653.28/x
  3. Step 3: Cross multiply
    831,744.80x = 1,247,605.68 × 200,653.28
  4. Step 4: Simplify right side
    831,744.80x = 250,336,171,838.63
  5. Step 5: Solve for x
    x = 250,336,171,838.63/831,744.80
  6. Step 6: Final answer
    x = 300,977.14

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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.