Home / 303,827.87-419,400.58-271,941.41

Finding the Fourth Proportional to 303,827.87, 419,400.58 and 271,941.41

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Solution

The fourth proportional to 303,827.87, 419,400.58 and 271,941.41 is: 375,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,827.87 : 419,400.58 = 271,941.41 : x
  2. Step 2: Convert to fraction form
    303,827.87/419,400.58 = 271,941.41/x
  3. Step 3: Cross multiply
    303,827.87x = 419,400.58 × 271,941.41
  4. Step 4: Simplify right side
    303,827.87x = 114,052,385,448.67
  5. Step 5: Solve for x
    x = 114,052,385,448.67/303,827.87
  6. Step 6: Final answer
    x = 375,384.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.