Home / 1,979,551.26-2,969,378.49-631,712.04

Finding the Fourth Proportional to 1,979,551.26, 2,969,378.49 and 631,712.04

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Solution

The fourth proportional to 1,979,551.26, 2,969,378.49 and 631,712.04 is: 947,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,551.26 : 2,969,378.49 = 631,712.04 : x
  2. Step 2: Convert to fraction form
    1,979,551.26/2,969,378.49 = 631,712.04/x
  3. Step 3: Cross multiply
    1,979,551.26x = 2,969,378.49 × 631,712.04
  4. Step 4: Simplify right side
    1,979,551.26x = 1,875,792,143,450.02
  5. Step 5: Solve for x
    x = 1,875,792,143,450.02/1,979,551.26
  6. Step 6: Final answer
    x = 947,584.53

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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.