Home / 1,091,118.36-1,505,742.30-632,498.54

Finding the Fourth Proportional to 1,091,118.36, 1,505,742.30 and 632,498.54

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Solution

The fourth proportional to 1,091,118.36, 1,505,742.30 and 632,498.54 is: 872,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,118.36 : 1,505,742.30 = 632,498.54 : x
  2. Step 2: Convert to fraction form
    1,091,118.36/1,505,742.30 = 632,498.54/x
  3. Step 3: Cross multiply
    1,091,118.36x = 1,505,742.30 × 632,498.54
  4. Step 4: Simplify right side
    1,091,118.36x = 952,379,798,837.53
  5. Step 5: Solve for x
    x = 952,379,798,837.53/1,091,118.36
  6. Step 6: Final answer
    x = 872,847.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.