Home / 1,122,083.05-1,683,290.67-412,055.73

Finding the Fourth Proportional to 1,122,083.05, 1,683,290.67 and 412,055.73

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Solution

The fourth proportional to 1,122,083.05, 1,683,290.67 and 412,055.73 is: 618,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,083.05 : 1,683,290.67 = 412,055.73 : x
  2. Step 2: Convert to fraction form
    1,122,083.05/1,683,290.67 = 412,055.73/x
  3. Step 3: Cross multiply
    1,122,083.05x = 1,683,290.67 × 412,055.73
  4. Step 4: Simplify right side
    1,122,083.05x = 693,609,565,829.04
  5. Step 5: Solve for x
    x = 693,609,565,829.04/1,122,083.05
  6. Step 6: Final answer
    x = 618,144.59

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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.