Home / 1,198,905.44-1,798,308.74-666,086.63

Finding the Fourth Proportional to 1,198,905.44, 1,798,308.74 and 666,086.63

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Solution

The fourth proportional to 1,198,905.44, 1,798,308.74 and 666,086.63 is: 999,102.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,905.44 : 1,798,308.74 = 666,086.63 : x
  2. Step 2: Convert to fraction form
    1,198,905.44/1,798,308.74 = 666,086.63/x
  3. Step 3: Cross multiply
    1,198,905.44x = 1,798,308.74 × 666,086.63
  4. Step 4: Simplify right side
    1,198,905.44x = 1,197,829,400,999.82
  5. Step 5: Solve for x
    x = 1,197,829,400,999.82/1,198,905.44
  6. Step 6: Final answer
    x = 999,102.49

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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.