Home / 1,219,815.14-1,684,185.09-932,835.38

Finding the Fourth Proportional to 1,219,815.14, 1,684,185.09 and 932,835.38

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Solution

The fourth proportional to 1,219,815.14, 1,684,185.09 and 932,835.38 is: 1,287,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,815.14 : 1,684,185.09 = 932,835.38 : x
  2. Step 2: Convert to fraction form
    1,219,815.14/1,684,185.09 = 932,835.38/x
  3. Step 3: Cross multiply
    1,219,815.14x = 1,684,185.09 × 932,835.38
  4. Step 4: Simplify right side
    1,219,815.14x = 1,571,067,438,420.48
  5. Step 5: Solve for x
    x = 1,571,067,438,420.48/1,219,815.14
  6. Step 6: Final answer
    x = 1,287,955.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.