Home / 1,418,807.30-1,957,937.95-774,238.46

Finding the Fourth Proportional to 1,418,807.30, 1,957,937.95 and 774,238.46

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Solution

The fourth proportional to 1,418,807.30, 1,957,937.95 and 774,238.46 is: 1,068,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,807.30 : 1,957,937.95 = 774,238.46 : x
  2. Step 2: Convert to fraction form
    1,418,807.30/1,957,937.95 = 774,238.46/x
  3. Step 3: Cross multiply
    1,418,807.30x = 1,957,937.95 × 774,238.46
  4. Step 4: Simplify right side
    1,418,807.30x = 1,515,910,863,183.56
  5. Step 5: Solve for x
    x = 1,515,910,863,183.56/1,418,807.30
  6. Step 6: Final answer
    x = 1,068,440.28

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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.