Home / 1,091,552.60-1,636,745.70-381,603.80

Finding the Fourth Proportional to 1,091,552.60, 1,636,745.70 and 381,603.80

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Solution

The fourth proportional to 1,091,552.60, 1,636,745.70 and 381,603.80 is: 572,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,552.60 : 1,636,745.70 = 381,603.80 : x
  2. Step 2: Convert to fraction form
    1,091,552.60/1,636,745.70 = 381,603.80/x
  3. Step 3: Cross multiply
    1,091,552.60x = 1,636,745.70 × 381,603.80
  4. Step 4: Simplify right side
    1,091,552.60x = 624,588,378,753.66
  5. Step 5: Solve for x
    x = 624,588,378,753.66/1,091,552.60
  6. Step 6: Final answer
    x = 572,201.81

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1.5x scale

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.