Home / 1,082,641.49-1,493,944.03-646,972.38

Finding the Fourth Proportional to 1,082,641.49, 1,493,944.03 and 646,972.38

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Solution

The fourth proportional to 1,082,641.49, 1,493,944.03 and 646,972.38 is: 892,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,641.49 : 1,493,944.03 = 646,972.38 : x
  2. Step 2: Convert to fraction form
    1,082,641.49/1,493,944.03 = 646,972.38/x
  3. Step 3: Cross multiply
    1,082,641.49x = 1,493,944.03 × 646,972.38
  4. Step 4: Simplify right side
    1,082,641.49x = 966,540,513,971.31
  5. Step 5: Solve for x
    x = 966,540,513,971.31/1,082,641.49
  6. Step 6: Final answer
    x = 892,761.39

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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.