Home / 845,144.44-1,264,858.98-822,399.64

Finding the Fourth Proportional to 845,144.44, 1,264,858.98 and 822,399.64

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Solution

The fourth proportional to 845,144.44, 1,264,858.98 and 822,399.64 is: 1,230,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,144.44 : 1,264,858.98 = 822,399.64 : x
  2. Step 2: Convert to fraction form
    845,144.44/1,264,858.98 = 822,399.64/x
  3. Step 3: Cross multiply
    845,144.44x = 1,264,858.98 × 822,399.64
  4. Step 4: Simplify right side
    845,144.44x = 1,040,219,569,802.77
  5. Step 5: Solve for x
    x = 1,040,219,569,802.77/845,144.44
  6. Step 6: Final answer
    x = 1,230,818.69

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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.