Home / 1,988,944.88-2,983,491.23-641,126.95

Finding the Fourth Proportional to 1,988,944.88, 2,983,491.23 and 641,126.95

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Solution

The fourth proportional to 1,988,944.88, 2,983,491.23 and 641,126.95 is: 961,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,944.88 : 2,983,491.23 = 641,126.95 : x
  2. Step 2: Convert to fraction form
    1,988,944.88/2,983,491.23 = 641,126.95/x
  3. Step 3: Cross multiply
    1,988,944.88x = 2,983,491.23 × 641,126.95
  4. Step 4: Simplify right side
    1,988,944.88x = 1,912,796,621,977.29
  5. Step 5: Solve for x
    x = 1,912,796,621,977.29/1,988,944.88
  6. Step 6: Final answer
    x = 961,714.25

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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.