Home / 1,118,967.12-1,542,951-755,760.36

Finding the Fourth Proportional to 1,118,967.12, 1,542,951 and 755,760.36

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Solution

The fourth proportional to 1,118,967.12, 1,542,951 and 755,760.36 is: 1,042,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,967.12 : 1,542,951 = 755,760.36 : x
  2. Step 2: Convert to fraction form
    1,118,967.12/1,542,951 = 755,760.36/x
  3. Step 3: Cross multiply
    1,118,967.12x = 1,542,951 × 755,760.36
  4. Step 4: Simplify right side
    1,118,967.12x = 1,166,101,203,222.36
  5. Step 5: Solve for x
    x = 1,166,101,203,222.36/1,118,967.12
  6. Step 6: Final answer
    x = 1,042,122.85

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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.