Home / 1,939,658.01-2,909,485.13-519,675.36

Finding the Fourth Proportional to 1,939,658.01, 2,909,485.13 and 519,675.36

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Solution

The fourth proportional to 1,939,658.01, 2,909,485.13 and 519,675.36 is: 779,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,658.01 : 2,909,485.13 = 519,675.36 : x
  2. Step 2: Convert to fraction form
    1,939,658.01/2,909,485.13 = 519,675.36/x
  3. Step 3: Cross multiply
    1,939,658.01x = 2,909,485.13 × 519,675.36
  4. Step 4: Simplify right side
    1,939,658.01x = 1,511,987,729,749.02
  5. Step 5: Solve for x
    x = 1,511,987,729,749.02/1,939,658.01
  6. Step 6: Final answer
    x = 779,512.53

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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.