Home / 1,122,085.05-1,683,293.67-412,057.73

Finding the Fourth Proportional to 1,122,085.05, 1,683,293.67 and 412,057.73

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Solution

The fourth proportional to 1,122,085.05, 1,683,293.67 and 412,057.73 is: 618,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,085.05 : 1,683,293.67 = 412,057.73 : x
  2. Step 2: Convert to fraction form
    1,122,085.05/1,683,293.67 = 412,057.73/x
  3. Step 3: Cross multiply
    1,122,085.05x = 1,683,293.67 × 412,057.73
  4. Step 4: Simplify right side
    1,122,085.05x = 693,614,168,583.57
  5. Step 5: Solve for x
    x = 693,614,168,583.57/1,122,085.05
  6. Step 6: Final answer
    x = 618,147.59

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1.5x scale

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.