Home / 1,212,324.15-1,818,486.23-413,413.05

Finding the Fourth Proportional to 1,212,324.15, 1,818,486.23 and 413,413.05

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Solution

The fourth proportional to 1,212,324.15, 1,818,486.23 and 413,413.05 is: 620,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,324.15 : 1,818,486.23 = 413,413.05 : x
  2. Step 2: Convert to fraction form
    1,212,324.15/1,818,486.23 = 413,413.05/x
  3. Step 3: Cross multiply
    1,212,324.15x = 1,818,486.23 × 413,413.05
  4. Step 4: Simplify right side
    1,212,324.15x = 751,785,936,660.24
  5. Step 5: Solve for x
    x = 751,785,936,660.24/1,212,324.15
  6. Step 6: Final answer
    x = 620,119.58

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Similar ratio
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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.