Home / 1,216,353.11-1,678,198.91-848,820.47

Finding the Fourth Proportional to 1,216,353.11, 1,678,198.91 and 848,820.47

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Solution

The fourth proportional to 1,216,353.11, 1,678,198.91 and 848,820.47 is: 1,171,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,353.11 : 1,678,198.91 = 848,820.47 : x
  2. Step 2: Convert to fraction form
    1,216,353.11/1,678,198.91 = 848,820.47/x
  3. Step 3: Cross multiply
    1,216,353.11x = 1,678,198.91 × 848,820.47
  4. Step 4: Simplify right side
    1,216,353.11x = 1,424,489,574,904.59
  5. Step 5: Solve for x
    x = 1,424,489,574,904.59/1,216,353.11
  6. Step 6: Final answer
    x = 1,171,115.17

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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.