Home / 1,299,160.64-1,792,804.26-718,373.60

Finding the Fourth Proportional to 1,299,160.64, 1,792,804.26 and 718,373.60

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Solution

The fourth proportional to 1,299,160.64, 1,792,804.26 and 718,373.60 is: 991,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,160.64 : 1,792,804.26 = 718,373.60 : x
  2. Step 2: Convert to fraction form
    1,299,160.64/1,792,804.26 = 718,373.60/x
  3. Step 3: Cross multiply
    1,299,160.64x = 1,792,804.26 × 718,373.60
  4. Step 4: Simplify right side
    1,299,160.64x = 1,287,903,250,351.54
  5. Step 5: Solve for x
    x = 1,287,903,250,351.54/1,299,160.64
  6. Step 6: Final answer
    x = 991,334.87

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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.