Home / 703,620.77-1,055,431.14-171,142.16

Finding the Fourth Proportional to 703,620.77, 1,055,431.14 and 171,142.16

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Solution

The fourth proportional to 703,620.77, 1,055,431.14 and 171,142.16 is: 256,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,620.77 : 1,055,431.14 = 171,142.16 : x
  2. Step 2: Convert to fraction form
    703,620.77/1,055,431.14 = 171,142.16/x
  3. Step 3: Cross multiply
    703,620.77x = 1,055,431.14 × 171,142.16
  4. Step 4: Simplify right side
    703,620.77x = 180,628,759,753.71
  5. Step 5: Solve for x
    x = 180,628,759,753.71/703,620.77
  6. Step 6: Final answer
    x = 256,713.23

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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.