Home / 1,200,994.47-1,800,474.28-526,564.68

Finding the Fourth Proportional to 1,200,994.47, 1,800,474.28 and 526,564.68

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Solution

The fourth proportional to 1,200,994.47, 1,800,474.28 and 526,564.68 is: 789,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,994.47 : 1,800,474.28 = 526,564.68 : x
  2. Step 2: Convert to fraction form
    1,200,994.47/1,800,474.28 = 526,564.68/x
  3. Step 3: Cross multiply
    1,200,994.47x = 1,800,474.28 × 526,564.68
  4. Step 4: Simplify right side
    1,200,994.47x = 948,066,163,096.43
  5. Step 5: Solve for x
    x = 948,066,163,096.43/1,200,994.47
  6. Step 6: Final answer
    x = 789,400.94

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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.