Home / 1,319,714.82-1,979,554.95-322,451.46

Finding the Fourth Proportional to 1,319,714.82, 1,979,554.95 and 322,451.46

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Solution

The fourth proportional to 1,319,714.82, 1,979,554.95 and 322,451.46 is: 483,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,714.82 : 1,979,554.95 = 322,451.46 : x
  2. Step 2: Convert to fraction form
    1,319,714.82/1,979,554.95 = 322,451.46/x
  3. Step 3: Cross multiply
    1,319,714.82x = 1,979,554.95 × 322,451.46
  4. Step 4: Simplify right side
    1,319,714.82x = 638,310,383,777.73
  5. Step 5: Solve for x
    x = 638,310,383,777.73/1,319,714.82
  6. Step 6: Final answer
    x = 483,672.97

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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.