Home / 1,286,137.11-1,927,523.84-527,089.86

Finding the Fourth Proportional to 1,286,137.11, 1,927,523.84 and 527,089.86

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Solution

The fourth proportional to 1,286,137.11, 1,927,523.84 and 527,089.86 is: 789,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,137.11 : 1,927,523.84 = 527,089.86 : x
  2. Step 2: Convert to fraction form
    1,286,137.11/1,927,523.84 = 527,089.86/x
  3. Step 3: Cross multiply
    1,286,137.11x = 1,927,523.84 × 527,089.86
  4. Step 4: Simplify right side
    1,286,137.11x = 1,015,978,265,880.53
  5. Step 5: Solve for x
    x = 1,015,978,265,880.53/1,286,137.11
  6. Step 6: Final answer
    x = 789,945.53

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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.