Home / 1,641,133.69-2,264,878.62-916,122.94

Finding the Fourth Proportional to 1,641,133.69, 2,264,878.62 and 916,122.94

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Solution

The fourth proportional to 1,641,133.69, 2,264,878.62 and 916,122.94 is: 1,264,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,133.69 : 2,264,878.62 = 916,122.94 : x
  2. Step 2: Convert to fraction form
    1,641,133.69/2,264,878.62 = 916,122.94/x
  3. Step 3: Cross multiply
    1,641,133.69x = 2,264,878.62 × 916,122.94
  4. Step 4: Simplify right side
    1,641,133.69x = 2,074,907,260,097.54
  5. Step 5: Solve for x
    x = 2,074,907,260,097.54/1,641,133.69
  6. Step 6: Final answer
    x = 1,264,313.37

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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.