Home / 1,131,868.04-1,561,970.44-641,930.84

Finding the Fourth Proportional to 1,131,868.04, 1,561,970.44 and 641,930.84

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Solution

The fourth proportional to 1,131,868.04, 1,561,970.44 and 641,930.84 is: 885,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,868.04 : 1,561,970.44 = 641,930.84 : x
  2. Step 2: Convert to fraction form
    1,131,868.04/1,561,970.44 = 641,930.84/x
  3. Step 3: Cross multiply
    1,131,868.04x = 1,561,970.44 × 641,930.84
  4. Step 4: Simplify right side
    1,131,868.04x = 1,002,676,996,604.37
  5. Step 5: Solve for x
    x = 1,002,676,996,604.37/1,131,868.04
  6. Step 6: Final answer
    x = 885,860.33

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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.