Home / 966,896.56-1,333,887.96-644,291.92

Finding the Fourth Proportional to 966,896.56, 1,333,887.96 and 644,291.92

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Solution

The fourth proportional to 966,896.56, 1,333,887.96 and 644,291.92 is: 888,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,896.56 : 1,333,887.96 = 644,291.92 : x
  2. Step 2: Convert to fraction form
    966,896.56/1,333,887.96 = 644,291.92/x
  3. Step 3: Cross multiply
    966,896.56x = 1,333,887.96 × 644,291.92
  4. Step 4: Simplify right side
    966,896.56x = 859,413,234,813.28
  5. Step 5: Solve for x
    x = 859,413,234,813.28/966,896.56
  6. Step 6: Final answer
    x = 888,836.79

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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.