Home / 1,102,825.80-1,655,793.90-682,921.80

Finding the Fourth Proportional to 1,102,825.80, 1,655,793.90 and 682,921.80

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Solution

The fourth proportional to 1,102,825.80, 1,655,793.90 and 682,921.80 is: 1,025,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,825.80 : 1,655,793.90 = 682,921.80 : x
  2. Step 2: Convert to fraction form
    1,102,825.80/1,655,793.90 = 682,921.80/x
  3. Step 3: Cross multiply
    1,102,825.80x = 1,655,793.90 × 682,921.80
  4. Step 4: Simplify right side
    1,102,825.80x = 1,130,777,750,617.02
  5. Step 5: Solve for x
    x = 1,130,777,750,617.02/1,102,825.80
  6. Step 6: Final answer
    x = 1,025,345.75

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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.