Home / 883,403.40-1,325,105.10-745,163.40

Finding the Fourth Proportional to 883,403.40, 1,325,105.10 and 745,163.40

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Solution

The fourth proportional to 883,403.40, 1,325,105.10 and 745,163.40 is: 1,117,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,403.40 : 1,325,105.10 = 745,163.40 : x
  2. Step 2: Convert to fraction form
    883,403.40/1,325,105.10 = 745,163.40/x
  3. Step 3: Cross multiply
    883,403.40x = 1,325,105.10 × 745,163.40
  4. Step 4: Simplify right side
    883,403.40x = 987,419,821,673.34
  5. Step 5: Solve for x
    x = 987,419,821,673.34/883,403.40
  6. Step 6: Final answer
    x = 1,117,745.10

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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.