Home / 969,845.49-1,338,999.53-714,752.37

Finding the Fourth Proportional to 969,845.49, 1,338,999.53 and 714,752.37

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Solution

The fourth proportional to 969,845.49, 1,338,999.53 and 714,752.37 is: 986,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,845.49 : 1,338,999.53 = 714,752.37 : x
  2. Step 2: Convert to fraction form
    969,845.49/1,338,999.53 = 714,752.37/x
  3. Step 3: Cross multiply
    969,845.49x = 1,338,999.53 × 714,752.37
  4. Step 4: Simplify right side
    969,845.49x = 957,053,083,922.62
  5. Step 5: Solve for x
    x = 957,053,083,922.62/969,845.49
  6. Step 6: Final answer
    x = 986,809.85

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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.