Home / 1,914,986.87-2,872,578.72-495,055.25

Finding the Fourth Proportional to 1,914,986.87, 2,872,578.72 and 495,055.25

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Solution

The fourth proportional to 1,914,986.87, 2,872,578.72 and 495,055.25 is: 742,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,986.87 : 2,872,578.72 = 495,055.25 : x
  2. Step 2: Convert to fraction form
    1,914,986.87/2,872,578.72 = 495,055.25/x
  3. Step 3: Cross multiply
    1,914,986.87x = 2,872,578.72 × 495,055.25
  4. Step 4: Simplify right side
    1,914,986.87x = 1,422,085,176,374.28
  5. Step 5: Solve for x
    x = 1,422,085,176,374.28/1,914,986.87
  6. Step 6: Final answer
    x = 742,608.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.