Home / 969,821.33-1,338,458.54-534,283.30

Finding the Fourth Proportional to 969,821.33, 1,338,458.54 and 534,283.30

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Solution

The fourth proportional to 969,821.33, 1,338,458.54 and 534,283.30 is: 737,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,821.33 : 1,338,458.54 = 534,283.30 : x
  2. Step 2: Convert to fraction form
    969,821.33/1,338,458.54 = 534,283.30/x
  3. Step 3: Cross multiply
    969,821.33x = 1,338,458.54 × 534,283.30
  4. Step 4: Simplify right side
    969,821.33x = 715,116,045,664.38
  5. Step 5: Solve for x
    x = 715,116,045,664.38/969,821.33
  6. Step 6: Final answer
    x = 737,368.86

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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.