Home / 1,603,357.61-2,212,634.04-878,217.46

Finding the Fourth Proportional to 1,603,357.61, 2,212,634.04 and 878,217.46

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Solution

The fourth proportional to 1,603,357.61, 2,212,634.04 and 878,217.46 is: 1,211,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,357.61 : 2,212,634.04 = 878,217.46 : x
  2. Step 2: Convert to fraction form
    1,603,357.61/2,212,634.04 = 878,217.46/x
  3. Step 3: Cross multiply
    1,603,357.61x = 2,212,634.04 × 878,217.46
  4. Step 4: Simplify right side
    1,603,357.61x = 1,943,173,837,693.44
  5. Step 5: Solve for x
    x = 1,943,173,837,693.44/1,603,357.61
  6. Step 6: Final answer
    x = 1,211,940.39

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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.