Home / 547,735.40-821,603.10-192,746.60

Finding the Fourth Proportional to 547,735.40, 821,603.10 and 192,746.60

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Solution

The fourth proportional to 547,735.40, 821,603.10 and 192,746.60 is: 289,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,735.40 : 821,603.10 = 192,746.60 : x
  2. Step 2: Convert to fraction form
    547,735.40/821,603.10 = 192,746.60/x
  3. Step 3: Cross multiply
    547,735.40x = 821,603.10 × 192,746.60
  4. Step 4: Simplify right side
    547,735.40x = 158,361,204,074.46
  5. Step 5: Solve for x
    x = 158,361,204,074.46/547,735.40
  6. Step 6: Final answer
    x = 289,119.90

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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.