Home / 845,475.27-1,166,226.44-555,101.81

Finding the Fourth Proportional to 845,475.27, 1,166,226.44 and 555,101.81

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Solution

The fourth proportional to 845,475.27, 1,166,226.44 and 555,101.81 is: 765,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,475.27 : 1,166,226.44 = 555,101.81 : x
  2. Step 2: Convert to fraction form
    845,475.27/1,166,226.44 = 555,101.81/x
  3. Step 3: Cross multiply
    845,475.27x = 1,166,226.44 × 555,101.81
  4. Step 4: Simplify right side
    845,475.27x = 647,374,399,107.22
  5. Step 5: Solve for x
    x = 647,374,399,107.22/845,475.27
  6. Step 6: Final answer
    x = 765,692.89

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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.