Home / 1,244,736.40-1,867,104.60-403,373.20

Finding the Fourth Proportional to 1,244,736.40, 1,867,104.60 and 403,373.20

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Solution

The fourth proportional to 1,244,736.40, 1,867,104.60 and 403,373.20 is: 605,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,736.40 : 1,867,104.60 = 403,373.20 : x
  2. Step 2: Convert to fraction form
    1,244,736.40/1,867,104.60 = 403,373.20/x
  3. Step 3: Cross multiply
    1,244,736.40x = 1,867,104.60 × 403,373.20
  4. Step 4: Simplify right side
    1,244,736.40x = 753,139,957,236.72
  5. Step 5: Solve for x
    x = 753,139,957,236.72/1,244,736.40
  6. Step 6: Final answer
    x = 605,059.80

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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.