Home / 1,285,553.88-1,928,054.03-526,651.20

Finding the Fourth Proportional to 1,285,553.88, 1,928,054.03 and 526,651.20

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Solution

The fourth proportional to 1,285,553.88, 1,928,054.03 and 526,651.20 is: 789,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,553.88 : 1,928,054.03 = 526,651.20 : x
  2. Step 2: Convert to fraction form
    1,285,553.88/1,928,054.03 = 526,651.20/x
  3. Step 3: Cross multiply
    1,285,553.88x = 1,928,054.03 × 526,651.20
  4. Step 4: Simplify right side
    1,285,553.88x = 1,015,411,965,931.08
  5. Step 5: Solve for x
    x = 1,015,411,965,931.08/1,285,553.88
  6. Step 6: Final answer
    x = 789,863.41

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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.