Home / 1,091,858.60-1,635,455.10-905,234.60

Finding the Fourth Proportional to 1,091,858.60, 1,635,455.10 and 905,234.60

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Solution

The fourth proportional to 1,091,858.60, 1,635,455.10 and 905,234.60 is: 1,355,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,858.60 : 1,635,455.10 = 905,234.60 : x
  2. Step 2: Convert to fraction form
    1,091,858.60/1,635,455.10 = 905,234.60/x
  3. Step 3: Cross multiply
    1,091,858.60x = 1,635,455.10 × 905,234.60
  4. Step 4: Simplify right side
    1,091,858.60x = 1,480,470,543,266.46
  5. Step 5: Solve for x
    x = 1,480,470,543,266.46/1,091,858.60
  6. Step 6: Final answer
    x = 1,355,917.83

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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.