Home / 1,603,150.25-2,212,347.33-877,999.68

Finding the Fourth Proportional to 1,603,150.25, 2,212,347.33 and 877,999.68

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Solution

The fourth proportional to 1,603,150.25, 2,212,347.33 and 877,999.68 is: 1,211,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,150.25 : 2,212,347.33 = 877,999.68 : x
  2. Step 2: Convert to fraction form
    1,603,150.25/2,212,347.33 = 877,999.68/x
  3. Step 3: Cross multiply
    1,603,150.25x = 2,212,347.33 × 877,999.68
  4. Step 4: Simplify right side
    1,603,150.25x = 1,942,440,247,788.85
  5. Step 5: Solve for x
    x = 1,942,440,247,788.85/1,603,150.25
  6. Step 6: Final answer
    x = 1,211,639.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.