Home / 1,664,919.21-2,496,367.51-652,828.61

Finding the Fourth Proportional to 1,664,919.21, 2,496,367.51 and 652,828.61

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Solution

The fourth proportional to 1,664,919.21, 2,496,367.51 and 652,828.61 is: 978,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,919.21 : 2,496,367.51 = 652,828.61 : x
  2. Step 2: Convert to fraction form
    1,664,919.21/2,496,367.51 = 652,828.61/x
  3. Step 3: Cross multiply
    1,664,919.21x = 2,496,367.51 × 652,828.61
  4. Step 4: Simplify right side
    1,664,919.21x = 1,629,700,117,488.55
  5. Step 5: Solve for x
    x = 1,629,700,117,488.55/1,664,919.21
  6. Step 6: Final answer
    x = 978,846.37

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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.