Home / 839,273.64-1,259,282.57-439,819.44

Finding the Fourth Proportional to 839,273.64, 1,259,282.57 and 439,819.44

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Solution

The fourth proportional to 839,273.64, 1,259,282.57 and 439,819.44 is: 659,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,273.64 : 1,259,282.57 = 439,819.44 : x
  2. Step 2: Convert to fraction form
    839,273.64/1,259,282.57 = 439,819.44/x
  3. Step 3: Cross multiply
    839,273.64x = 1,259,282.57 × 439,819.44
  4. Step 4: Simplify right side
    839,273.64x = 553,856,947,817.75
  5. Step 5: Solve for x
    x = 553,856,947,817.75/839,273.64
  6. Step 6: Final answer
    x = 659,924.16

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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.