Home / 1,427,586.12-1,970,233.42-854,626.20

Finding the Fourth Proportional to 1,427,586.12, 1,970,233.42 and 854,626.20

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Solution

The fourth proportional to 1,427,586.12, 1,970,233.42 and 854,626.20 is: 1,179,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,586.12 : 1,970,233.42 = 854,626.20 : x
  2. Step 2: Convert to fraction form
    1,427,586.12/1,970,233.42 = 854,626.20/x
  3. Step 3: Cross multiply
    1,427,586.12x = 1,970,233.42 × 854,626.20
  4. Step 4: Simplify right side
    1,427,586.12x = 1,683,813,100,847.60
  5. Step 5: Solve for x
    x = 1,683,813,100,847.60/1,427,586.12
  6. Step 6: Final answer
    x = 1,179,482.68

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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.