Home / 1,763,355.60-2,646,415.80-816,843.60

Finding the Fourth Proportional to 1,763,355.60, 2,646,415.80 and 816,843.60

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Solution

The fourth proportional to 1,763,355.60, 2,646,415.80 and 816,843.60 is: 1,225,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,355.60 : 2,646,415.80 = 816,843.60 : x
  2. Step 2: Convert to fraction form
    1,763,355.60/2,646,415.80 = 816,843.60/x
  3. Step 3: Cross multiply
    1,763,355.60x = 2,646,415.80 × 816,843.60
  4. Step 4: Simplify right side
    1,763,355.60x = 2,161,707,809,168.88
  5. Step 5: Solve for x
    x = 2,161,707,809,168.88/1,763,355.60
  6. Step 6: Final answer
    x = 1,225,905.77

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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.