Home / 1,603,486.60-2,212,732.88-878,337.54

Finding the Fourth Proportional to 1,603,486.60, 2,212,732.88 and 878,337.54

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Solution

The fourth proportional to 1,603,486.60, 2,212,732.88 and 878,337.54 is: 1,212,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,486.60 : 2,212,732.88 = 878,337.54 : x
  2. Step 2: Convert to fraction form
    1,603,486.60/2,212,732.88 = 878,337.54/x
  3. Step 3: Cross multiply
    1,603,486.60x = 2,212,732.88 × 878,337.54
  4. Step 4: Simplify right side
    1,603,486.60x = 1,943,526,339,040.96
  5. Step 5: Solve for x
    x = 1,943,526,339,040.96/1,603,486.60
  6. Step 6: Final answer
    x = 1,212,062.73

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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.