Home / 1,224,372.80-1,836,559.20-1,091,403.20

Finding the Fourth Proportional to 1,224,372.80, 1,836,559.20 and 1,091,403.20

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Solution

The fourth proportional to 1,224,372.80, 1,836,559.20 and 1,091,403.20 is: 1,637,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,372.80 : 1,836,559.20 = 1,091,403.20 : x
  2. Step 2: Convert to fraction form
    1,224,372.80/1,836,559.20 = 1,091,403.20/x
  3. Step 3: Cross multiply
    1,224,372.80x = 1,836,559.20 × 1,091,403.20
  4. Step 4: Simplify right side
    1,224,372.80x = 2,004,426,587,869.44
  5. Step 5: Solve for x
    x = 2,004,426,587,869.44/1,224,372.80
  6. Step 6: Final answer
    x = 1,637,104.80

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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.