Home / 1,216,196.52-1,824,592.08-857,067.90

Finding the Fourth Proportional to 1,216,196.52, 1,824,592.08 and 857,067.90

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Solution

The fourth proportional to 1,216,196.52, 1,824,592.08 and 857,067.90 is: 1,285,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,196.52 : 1,824,592.08 = 857,067.90 : x
  2. Step 2: Convert to fraction form
    1,216,196.52/1,824,592.08 = 857,067.90/x
  3. Step 3: Cross multiply
    1,216,196.52x = 1,824,592.08 × 857,067.90
  4. Step 4: Simplify right side
    1,216,196.52x = 1,563,799,302,362.23
  5. Step 5: Solve for x
    x = 1,563,799,302,362.23/1,216,196.52
  6. Step 6: Final answer
    x = 1,285,811.36

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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.