Home / 1,418,714.91-1,957,873.77-774,170.46

Finding the Fourth Proportional to 1,418,714.91, 1,957,873.77 and 774,170.46

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Solution

The fourth proportional to 1,418,714.91, 1,957,873.77 and 774,170.46 is: 1,068,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,714.91 : 1,957,873.77 = 774,170.46 : x
  2. Step 2: Convert to fraction form
    1,418,714.91/1,957,873.77 = 774,170.46/x
  3. Step 3: Cross multiply
    1,418,714.91x = 1,957,873.77 × 774,170.46
  4. Step 4: Simplify right side
    1,418,714.91x = 1,515,728,037,142.83
  5. Step 5: Solve for x
    x = 1,515,728,037,142.83/1,418,714.91
  6. Step 6: Final answer
    x = 1,068,380.99

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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.