Home / 1,768,579.60-2,647,224.60-1,395,331.60

Finding the Fourth Proportional to 1,768,579.60, 2,647,224.60 and 1,395,331.60

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Solution

The fourth proportional to 1,768,579.60, 2,647,224.60 and 1,395,331.60 is: 2,088,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,579.60 : 2,647,224.60 = 1,395,331.60 : x
  2. Step 2: Convert to fraction form
    1,768,579.60/2,647,224.60 = 1,395,331.60/x
  3. Step 3: Cross multiply
    1,768,579.60x = 2,647,224.60 × 1,395,331.60
  4. Step 4: Simplify right side
    1,768,579.60x = 3,693,756,136,677.36
  5. Step 5: Solve for x
    x = 3,693,756,136,677.36/1,768,579.60
  6. Step 6: Final answer
    x = 2,088,543.90

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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.