Home / 947,105.12-1,307,316.54-753,867.29

Finding the Fourth Proportional to 947,105.12, 1,307,316.54 and 753,867.29

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Solution

The fourth proportional to 947,105.12, 1,307,316.54 and 753,867.29 is: 1,040,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,105.12 : 1,307,316.54 = 753,867.29 : x
  2. Step 2: Convert to fraction form
    947,105.12/1,307,316.54 = 753,867.29/x
  3. Step 3: Cross multiply
    947,105.12x = 1,307,316.54 × 753,867.29
  4. Step 4: Simplify right side
    947,105.12x = 985,543,177,181.98
  5. Step 5: Solve for x
    x = 985,543,177,181.98/947,105.12
  6. Step 6: Final answer
    x = 1,040,584.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.