Home / 1,277,489.31-1,762,936.92-696,713.69

Finding the Fourth Proportional to 1,277,489.31, 1,762,936.92 and 696,713.69

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Solution

The fourth proportional to 1,277,489.31, 1,762,936.92 and 696,713.69 is: 961,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,489.31 : 1,762,936.92 = 696,713.69 : x
  2. Step 2: Convert to fraction form
    1,277,489.31/1,762,936.92 = 696,713.69/x
  3. Step 3: Cross multiply
    1,277,489.31x = 1,762,936.92 × 696,713.69
  4. Step 4: Simplify right side
    1,277,489.31x = 1,228,262,286,770.43
  5. Step 5: Solve for x
    x = 1,228,262,286,770.43/1,277,489.31
  6. Step 6: Final answer
    x = 961,465.80

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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.