Home / 1,081,511.64-1,622,500.20-323,413.20

Finding the Fourth Proportional to 1,081,511.64, 1,622,500.20 and 323,413.20

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Solution

The fourth proportional to 1,081,511.64, 1,622,500.20 and 323,413.20 is: 485,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,511.64 : 1,622,500.20 = 323,413.20 : x
  2. Step 2: Convert to fraction form
    1,081,511.64/1,622,500.20 = 323,413.20/x
  3. Step 3: Cross multiply
    1,081,511.64x = 1,622,500.20 × 323,413.20
  4. Step 4: Simplify right side
    1,081,511.64x = 524,737,981,682.64
  5. Step 5: Solve for x
    x = 524,737,981,682.64/1,081,511.64
  6. Step 6: Final answer
    x = 485,189.40

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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.