Home / 893,138.16-1,338,919.92-331,779

Finding the Fourth Proportional to 893,138.16, 1,338,919.92 and 331,779

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Solution

The fourth proportional to 893,138.16, 1,338,919.92 and 331,779 is: 497,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,138.16 : 1,338,919.92 = 331,779 : x
  2. Step 2: Convert to fraction form
    893,138.16/1,338,919.92 = 331,779/x
  3. Step 3: Cross multiply
    893,138.16x = 1,338,919.92 × 331,779
  4. Step 4: Simplify right side
    893,138.16x = 444,225,512,137.68
  5. Step 5: Solve for x
    x = 444,225,512,137.68/893,138.16
  6. Step 6: Final answer
    x = 497,376.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.