Home / 1,180,057.80-1,628,059.86-696,380.88

Finding the Fourth Proportional to 1,180,057.80, 1,628,059.86 and 696,380.88

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Solution

The fourth proportional to 1,180,057.80, 1,628,059.86 and 696,380.88 is: 960,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,057.80 : 1,628,059.86 = 696,380.88 : x
  2. Step 2: Convert to fraction form
    1,180,057.80/1,628,059.86 = 696,380.88/x
  3. Step 3: Cross multiply
    1,180,057.80x = 1,628,059.86 × 696,380.88
  4. Step 4: Simplify right side
    1,180,057.80x = 1,133,749,757,999.48
  5. Step 5: Solve for x
    x = 1,133,749,757,999.48/1,180,057.80
  6. Step 6: Final answer
    x = 960,757.82

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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.