Home / 1,518,163.88-2,095,174.82-839,085.80

Finding the Fourth Proportional to 1,518,163.88, 2,095,174.82 and 839,085.80

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Solution

The fourth proportional to 1,518,163.88, 2,095,174.82 and 839,085.80 is: 1,157,998.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,163.88 : 2,095,174.82 = 839,085.80 : x
  2. Step 2: Convert to fraction form
    1,518,163.88/2,095,174.82 = 839,085.80/x
  3. Step 3: Cross multiply
    1,518,163.88x = 2,095,174.82 × 839,085.80
  4. Step 4: Simplify right side
    1,518,163.88x = 1,758,031,439,979.56
  5. Step 5: Solve for x
    x = 1,758,031,439,979.56/1,518,163.88
  6. Step 6: Final answer
    x = 1,157,998.46

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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.