Home / 1,121,163.73-1,680,745.34-411,025.93

Finding the Fourth Proportional to 1,121,163.73, 1,680,745.34 and 411,025.93

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Solution

The fourth proportional to 1,121,163.73, 1,680,745.34 and 411,025.93 is: 616,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,163.73 : 1,680,745.34 = 411,025.93 : x
  2. Step 2: Convert to fraction form
    1,121,163.73/1,680,745.34 = 411,025.93/x
  3. Step 3: Cross multiply
    1,121,163.73x = 1,680,745.34 × 411,025.93
  4. Step 4: Simplify right side
    1,121,163.73x = 690,829,914,411.54
  5. Step 5: Solve for x
    x = 690,829,914,411.54/1,121,163.73
  6. Step 6: Final answer
    x = 616,172.19

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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.