Home / 1,283,161.77-1,770,741.81-710,189.64

Finding the Fourth Proportional to 1,283,161.77, 1,770,741.81 and 710,189.64

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Solution

The fourth proportional to 1,283,161.77, 1,770,741.81 and 710,189.64 is: 980,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,161.77 : 1,770,741.81 = 710,189.64 : x
  2. Step 2: Convert to fraction form
    1,283,161.77/1,770,741.81 = 710,189.64/x
  3. Step 3: Cross multiply
    1,283,161.77x = 1,770,741.81 × 710,189.64
  4. Step 4: Simplify right side
    1,283,161.77x = 1,257,562,488,576.85
  5. Step 5: Solve for x
    x = 1,257,562,488,576.85/1,283,161.77
  6. Step 6: Final answer
    x = 980,049.84

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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.