Home / 1,111,190.60-1,664,817.60-941,916.80

Finding the Fourth Proportional to 1,111,190.60, 1,664,817.60 and 941,916.80

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Solution

The fourth proportional to 1,111,190.60, 1,664,817.60 and 941,916.80 is: 1,411,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,190.60 : 1,664,817.60 = 941,916.80 : x
  2. Step 2: Convert to fraction form
    1,111,190.60/1,664,817.60 = 941,916.80/x
  3. Step 3: Cross multiply
    1,111,190.60x = 1,664,817.60 × 941,916.80
  4. Step 4: Simplify right side
    1,111,190.60x = 1,568,119,666,375.68
  5. Step 5: Solve for x
    x = 1,568,119,666,375.68/1,111,190.60
  6. Step 6: Final answer
    x = 1,411,206.74

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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.