Home / 1,190,172.03-1,643,558.37-828,584.61

Finding the Fourth Proportional to 1,190,172.03, 1,643,558.37 and 828,584.61

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Solution

The fourth proportional to 1,190,172.03, 1,643,558.37 and 828,584.61 is: 1,144,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,172.03 : 1,643,558.37 = 828,584.61 : x
  2. Step 2: Convert to fraction form
    1,190,172.03/1,643,558.37 = 828,584.61/x
  3. Step 3: Cross multiply
    1,190,172.03x = 1,643,558.37 × 828,584.61
  4. Step 4: Simplify right side
    1,190,172.03x = 1,361,827,177,946.07
  5. Step 5: Solve for x
    x = 1,361,827,177,946.07/1,190,172.03
  6. Step 6: Final answer
    x = 1,144,227.17

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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.