Home / 1,711,618.82-2,362,107.78-947,672.38

Finding the Fourth Proportional to 1,711,618.82, 2,362,107.78 and 947,672.38

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Solution

The fourth proportional to 1,711,618.82, 2,362,107.78 and 947,672.38 is: 1,307,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,618.82 : 2,362,107.78 = 947,672.38 : x
  2. Step 2: Convert to fraction form
    1,711,618.82/2,362,107.78 = 947,672.38/x
  3. Step 3: Cross multiply
    1,711,618.82x = 2,362,107.78 × 947,672.38
  4. Step 4: Simplify right side
    1,711,618.82x = 2,238,504,301,689.12
  5. Step 5: Solve for x
    x = 2,238,504,301,689.12/1,711,618.82
  6. Step 6: Final answer
    x = 1,307,828.75

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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.