Home / 1,983,876.44-2,976,235.43-636,985.14

Finding the Fourth Proportional to 1,983,876.44, 2,976,235.43 and 636,985.14

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Solution

The fourth proportional to 1,983,876.44, 2,976,235.43 and 636,985.14 is: 955,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,876.44 : 2,976,235.43 = 636,985.14 : x
  2. Step 2: Convert to fraction form
    1,983,876.44/2,976,235.43 = 636,985.14/x
  3. Step 3: Cross multiply
    1,983,876.44x = 2,976,235.43 × 636,985.14
  4. Step 4: Simplify right side
    1,983,876.44x = 1,895,817,738,866.58
  5. Step 5: Solve for x
    x = 1,895,817,738,866.58/1,983,876.44
  6. Step 6: Final answer
    x = 955,612.81

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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.