Home / 845,163.70-1,166,319.21-463,189.57

Finding the Fourth Proportional to 845,163.70, 1,166,319.21 and 463,189.57

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Solution

The fourth proportional to 845,163.70, 1,166,319.21 and 463,189.57 is: 639,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,163.70 : 1,166,319.21 = 463,189.57 : x
  2. Step 2: Convert to fraction form
    845,163.70/1,166,319.21 = 463,189.57/x
  3. Step 3: Cross multiply
    845,163.70x = 1,166,319.21 × 463,189.57
  4. Step 4: Simplify right side
    845,163.70x = 540,226,893,362.64
  5. Step 5: Solve for x
    x = 540,226,893,362.64/845,163.70
  6. Step 6: Final answer
    x = 639,197.94

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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.