Home / 1,339,536.78-1,848,591.18-727,711.38

Finding the Fourth Proportional to 1,339,536.78, 1,848,591.18 and 727,711.38

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Solution

The fourth proportional to 1,339,536.78, 1,848,591.18 and 727,711.38 is: 1,004,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,536.78 : 1,848,591.18 = 727,711.38 : x
  2. Step 2: Convert to fraction form
    1,339,536.78/1,848,591.18 = 727,711.38/x
  3. Step 3: Cross multiply
    1,339,536.78x = 1,848,591.18 × 727,711.38
  4. Step 4: Simplify right side
    1,339,536.78x = 1,345,240,838,653.63
  5. Step 5: Solve for x
    x = 1,345,240,838,653.63/1,339,536.78
  6. Step 6: Final answer
    x = 1,004,258.23

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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.