Home / 1,226,384.73-1,692,394.40-682,520.37

Finding the Fourth Proportional to 1,226,384.73, 1,692,394.40 and 682,520.37

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Solution

The fourth proportional to 1,226,384.73, 1,692,394.40 and 682,520.37 is: 941,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,384.73 : 1,692,394.40 = 682,520.37 : x
  2. Step 2: Convert to fraction form
    1,226,384.73/1,692,394.40 = 682,520.37/x
  3. Step 3: Cross multiply
    1,226,384.73x = 1,692,394.40 × 682,520.37
  4. Step 4: Simplify right side
    1,226,384.73x = 1,155,093,648,661.33
  5. Step 5: Solve for x
    x = 1,155,093,648,661.33/1,226,384.73
  6. Step 6: Final answer
    x = 941,868.91

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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.