Home / 1,408,118.57-2,111,478.79-448,449

Finding the Fourth Proportional to 1,408,118.57, 2,111,478.79 and 448,449

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Solution

The fourth proportional to 1,408,118.57, 2,111,478.79 and 448,449 is: 672,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,118.57 : 2,111,478.79 = 448,449 : x
  2. Step 2: Convert to fraction form
    1,408,118.57/2,111,478.79 = 448,449/x
  3. Step 3: Cross multiply
    1,408,118.57x = 2,111,478.79 × 448,449
  4. Step 4: Simplify right side
    1,408,118.57x = 946,890,551,896.71
  5. Step 5: Solve for x
    x = 946,890,551,896.71/1,408,118.57
  6. Step 6: Final answer
    x = 672,450.87

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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.