Home / 1,285,198.42-1,927,782.87-526,870.42

Finding the Fourth Proportional to 1,285,198.42, 1,927,782.87 and 526,870.42

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Solution

The fourth proportional to 1,285,198.42, 1,927,782.87 and 526,870.42 is: 790,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,198.42 : 1,927,782.87 = 526,870.42 : x
  2. Step 2: Convert to fraction form
    1,285,198.42/1,927,782.87 = 526,870.42/x
  3. Step 3: Cross multiply
    1,285,198.42x = 1,927,782.87 × 526,870.42
  4. Step 4: Simplify right side
    1,285,198.42x = 1,015,691,770,385.71
  5. Step 5: Solve for x
    x = 1,015,691,770,385.71/1,285,198.42
  6. Step 6: Final answer
    x = 790,299.58

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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.