Home / 1,603,647.35-2,212,194.47-991,604.46

Finding the Fourth Proportional to 1,603,647.35, 2,212,194.47 and 991,604.46

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Solution

The fourth proportional to 1,603,647.35, 2,212,194.47 and 991,604.46 is: 1,367,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,647.35 : 2,212,194.47 = 991,604.46 : x
  2. Step 2: Convert to fraction form
    1,603,647.35/2,212,194.47 = 991,604.46/x
  3. Step 3: Cross multiply
    1,603,647.35x = 2,212,194.47 × 991,604.46
  4. Step 4: Simplify right side
    1,603,647.35x = 2,193,621,897,881.31
  5. Step 5: Solve for x
    x = 2,193,621,897,881.31/1,603,647.35
  6. Step 6: Final answer
    x = 1,367,895.44

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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.