Home / 1,396,136.89-1,926,847.07-852,156.28

Finding the Fourth Proportional to 1,396,136.89, 1,926,847.07 and 852,156.28

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Solution

The fourth proportional to 1,396,136.89, 1,926,847.07 and 852,156.28 is: 1,176,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,136.89 : 1,926,847.07 = 852,156.28 : x
  2. Step 2: Convert to fraction form
    1,396,136.89/1,926,847.07 = 852,156.28/x
  3. Step 3: Cross multiply
    1,396,136.89x = 1,926,847.07 × 852,156.28
  4. Step 4: Simplify right side
    1,396,136.89x = 1,641,974,831,300.10
  5. Step 5: Solve for x
    x = 1,641,974,831,300.10/1,396,136.89
  6. Step 6: Final answer
    x = 1,176,084.41

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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.