Home / 839,493.62-1,259,611.41-440,038.88

Finding the Fourth Proportional to 839,493.62, 1,259,611.41 and 440,038.88

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Solution

The fourth proportional to 839,493.62, 1,259,611.41 and 440,038.88 is: 660,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,493.62 : 1,259,611.41 = 440,038.88 : x
  2. Step 2: Convert to fraction form
    839,493.62/1,259,611.41 = 440,038.88/x
  3. Step 3: Cross multiply
    839,493.62x = 1,259,611.41 × 440,038.88
  4. Step 4: Simplify right side
    839,493.62x = 554,277,994,091.62
  5. Step 5: Solve for x
    x = 554,277,994,091.62/839,493.62
  6. Step 6: Final answer
    x = 660,252.78

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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.