Home / 1,920,078.88-2,879,154.04-640,233.27

Finding the Fourth Proportional to 1,920,078.88, 2,879,154.04 and 640,233.27

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Solution

The fourth proportional to 1,920,078.88, 2,879,154.04 and 640,233.27 is: 960,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,078.88 : 2,879,154.04 = 640,233.27 : x
  2. Step 2: Convert to fraction form
    1,920,078.88/2,879,154.04 = 640,233.27/x
  3. Step 3: Cross multiply
    1,920,078.88x = 2,879,154.04 × 640,233.27
  4. Step 4: Simplify right side
    1,920,078.88x = 1,843,330,205,862.91
  5. Step 5: Solve for x
    x = 1,843,330,205,862.91/1,920,078.88
  6. Step 6: Final answer
    x = 960,028.37

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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.