Home / 1,400,519.40-2,095,940.70-839,956.20

Finding the Fourth Proportional to 1,400,519.40, 2,095,940.70 and 839,956.20

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Solution

The fourth proportional to 1,400,519.40, 2,095,940.70 and 839,956.20 is: 1,257,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,519.40 : 2,095,940.70 = 839,956.20 : x
  2. Step 2: Convert to fraction form
    1,400,519.40/2,095,940.70 = 839,956.20/x
  3. Step 3: Cross multiply
    1,400,519.40x = 2,095,940.70 × 839,956.20
  4. Step 4: Simplify right side
    1,400,519.40x = 1,760,498,385,797.34
  5. Step 5: Solve for x
    x = 1,760,498,385,797.34/1,400,519.40
  6. Step 6: Final answer
    x = 1,257,032.49

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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.