Home / 1,115,186.63-1,673,621.19-516,567.78

Finding the Fourth Proportional to 1,115,186.63, 1,673,621.19 and 516,567.78

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Solution

The fourth proportional to 1,115,186.63, 1,673,621.19 and 516,567.78 is: 775,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,186.63 : 1,673,621.19 = 516,567.78 : x
  2. Step 2: Convert to fraction form
    1,115,186.63/1,673,621.19 = 516,567.78/x
  3. Step 3: Cross multiply
    1,115,186.63x = 1,673,621.19 × 516,567.78
  4. Step 4: Simplify right side
    1,115,186.63x = 864,538,782,679.26
  5. Step 5: Solve for x
    x = 864,538,782,679.26/1,115,186.63
  6. Step 6: Final answer
    x = 775,241.35

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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.