Home / 839,299.55-1,259,321.45-439,845.35

Finding the Fourth Proportional to 839,299.55, 1,259,321.45 and 439,845.35

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Solution

The fourth proportional to 839,299.55, 1,259,321.45 and 439,845.35 is: 659,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,299.55 : 1,259,321.45 = 439,845.35 : x
  2. Step 2: Convert to fraction form
    839,299.55/1,259,321.45 = 439,845.35/x
  3. Step 3: Cross multiply
    839,299.55x = 1,259,321.45 × 439,845.35
  4. Step 4: Simplify right side
    839,299.55x = 553,906,675,441.92
  5. Step 5: Solve for x
    x = 553,906,675,441.92/839,299.55
  6. Step 6: Final answer
    x = 659,963.04

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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.