Home / 1,905,999.12-2,859,523.56-644,712.48

Finding the Fourth Proportional to 1,905,999.12, 2,859,523.56 and 644,712.48

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Solution

The fourth proportional to 1,905,999.12, 2,859,523.56 and 644,712.48 is: 967,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,999.12 : 2,859,523.56 = 644,712.48 : x
  2. Step 2: Convert to fraction form
    1,905,999.12/2,859,523.56 = 644,712.48/x
  3. Step 3: Cross multiply
    1,905,999.12x = 2,859,523.56 × 644,712.48
  4. Step 4: Simplify right side
    1,905,999.12x = 1,843,570,525,986.03
  5. Step 5: Solve for x
    x = 1,843,570,525,986.03/1,905,999.12
  6. Step 6: Final answer
    x = 967,246.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.