Home / 979,884.54-1,467,260.64-641,861.82

Finding the Fourth Proportional to 979,884.54, 1,467,260.64 and 641,861.82

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Solution

The fourth proportional to 979,884.54, 1,467,260.64 and 641,861.82 is: 961,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,884.54 : 1,467,260.64 = 641,861.82 : x
  2. Step 2: Convert to fraction form
    979,884.54/1,467,260.64 = 641,861.82/x
  3. Step 3: Cross multiply
    979,884.54x = 1,467,260.64 × 641,861.82
  4. Step 4: Simplify right side
    979,884.54x = 941,778,584,804.77
  5. Step 5: Solve for x
    x = 941,778,584,804.77/979,884.54
  6. Step 6: Final answer
    x = 961,111.79

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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.