Home / 1,603,498.47-2,212,768.34-878,352.14

Finding the Fourth Proportional to 1,603,498.47, 2,212,768.34 and 878,352.14

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Solution

The fourth proportional to 1,603,498.47, 2,212,768.34 and 878,352.14 is: 1,212,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,498.47 : 2,212,768.34 = 878,352.14 : x
  2. Step 2: Convert to fraction form
    1,603,498.47/2,212,768.34 = 878,352.14/x
  3. Step 3: Cross multiply
    1,603,498.47x = 2,212,768.34 × 878,352.14
  4. Step 4: Simplify right side
    1,603,498.47x = 1,943,589,806,763.25
  5. Step 5: Solve for x
    x = 1,943,589,806,763.25/1,603,498.47
  6. Step 6: Final answer
    x = 1,212,093.33

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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.