Home / 712,959.76-1,067,340.12-682,166.80

Finding the Fourth Proportional to 712,959.76, 1,067,340.12 and 682,166.80

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Solution

The fourth proportional to 712,959.76, 1,067,340.12 and 682,166.80 is: 1,021,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,959.76 : 1,067,340.12 = 682,166.80 : x
  2. Step 2: Convert to fraction form
    712,959.76/1,067,340.12 = 682,166.80/x
  3. Step 3: Cross multiply
    712,959.76x = 1,067,340.12 × 682,166.80
  4. Step 4: Simplify right side
    712,959.76x = 728,103,994,172.02
  5. Step 5: Solve for x
    x = 728,103,994,172.02/712,959.76
  6. Step 6: Final answer
    x = 1,021,241.36

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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.