Home / 881,405.58-1,208,418.22-865,462.34

Finding the Fourth Proportional to 881,405.58, 1,208,418.22 and 865,462.34

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Solution

The fourth proportional to 881,405.58, 1,208,418.22 and 865,462.34 is: 1,186,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,405.58 : 1,208,418.22 = 865,462.34 : x
  2. Step 2: Convert to fraction form
    881,405.58/1,208,418.22 = 865,462.34/x
  3. Step 3: Cross multiply
    881,405.58x = 1,208,418.22 × 865,462.34
  4. Step 4: Simplify right side
    881,405.58x = 1,045,840,460,379.83
  5. Step 5: Solve for x
    x = 1,045,840,460,379.83/881,405.58
  6. Step 6: Final answer
    x = 1,186,559.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.