Home / 1,200,991.96-1,800,470.53-526,562.17

Finding the Fourth Proportional to 1,200,991.96, 1,800,470.53 and 526,562.17

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Solution

The fourth proportional to 1,200,991.96, 1,800,470.53 and 526,562.17 is: 789,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,991.96 : 1,800,470.53 = 526,562.17 : x
  2. Step 2: Convert to fraction form
    1,200,991.96/1,800,470.53 = 526,562.17/x
  3. Step 3: Cross multiply
    1,200,991.96x = 1,800,470.53 × 526,562.17
  4. Step 4: Simplify right side
    1,200,991.96x = 948,059,665,454.88
  5. Step 5: Solve for x
    x = 948,059,665,454.88/1,200,991.96
  6. Step 6: Final answer
    x = 789,397.18

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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.