Home / 1,221,669.27-1,685,846.48-677,799.27

Finding the Fourth Proportional to 1,221,669.27, 1,685,846.48 and 677,799.27

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Solution

The fourth proportional to 1,221,669.27, 1,685,846.48 and 677,799.27 is: 935,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,669.27 : 1,685,846.48 = 677,799.27 : x
  2. Step 2: Convert to fraction form
    1,221,669.27/1,685,846.48 = 677,799.27/x
  3. Step 3: Cross multiply
    1,221,669.27x = 1,685,846.48 × 677,799.27
  4. Step 4: Simplify right side
    1,221,669.27x = 1,142,665,510,087.07
  5. Step 5: Solve for x
    x = 1,142,665,510,087.07/1,221,669.27
  6. Step 6: Final answer
    x = 935,331.30

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1.5x scale

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.