Home / 1,385,273.57-1,912,325.46-804,383.55

Finding the Fourth Proportional to 1,385,273.57, 1,912,325.46 and 804,383.55

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Solution

The fourth proportional to 1,385,273.57, 1,912,325.46 and 804,383.55 is: 1,110,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,273.57 : 1,912,325.46 = 804,383.55 : x
  2. Step 2: Convert to fraction form
    1,385,273.57/1,912,325.46 = 804,383.55/x
  3. Step 3: Cross multiply
    1,385,273.57x = 1,912,325.46 × 804,383.55
  4. Step 4: Simplify right side
    1,385,273.57x = 1,538,243,142,270.18
  5. Step 5: Solve for x
    x = 1,538,243,142,270.18/1,385,273.57
  6. Step 6: Final answer
    x = 1,110,425.53

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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.