Home / 1,216,198.52-1,824,595.08-857,069.90

Finding the Fourth Proportional to 1,216,198.52, 1,824,595.08 and 857,069.90

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Solution

The fourth proportional to 1,216,198.52, 1,824,595.08 and 857,069.90 is: 1,285,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,198.52 : 1,824,595.08 = 857,069.90 : x
  2. Step 2: Convert to fraction form
    1,216,198.52/1,824,595.08 = 857,069.90/x
  3. Step 3: Cross multiply
    1,216,198.52x = 1,824,595.08 × 857,069.90
  4. Step 4: Simplify right side
    1,216,198.52x = 1,563,805,522,756.09
  5. Step 5: Solve for x
    x = 1,563,805,522,756.09/1,216,198.52
  6. Step 6: Final answer
    x = 1,285,814.36

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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.