Home / 1,394,188-1,924,383.36-904,144.48

Finding the Fourth Proportional to 1,394,188, 1,924,383.36 and 904,144.48

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Solution

The fourth proportional to 1,394,188, 1,924,383.36 and 904,144.48 is: 1,247,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,188 : 1,924,383.36 = 904,144.48 : x
  2. Step 2: Convert to fraction form
    1,394,188/1,924,383.36 = 904,144.48/x
  3. Step 3: Cross multiply
    1,394,188x = 1,924,383.36 × 904,144.48
  4. Step 4: Simplify right side
    1,394,188x = 1,739,920,592,347.85
  5. Step 5: Solve for x
    x = 1,739,920,592,347.85/1,394,188
  6. Step 6: Final answer
    x = 1,247,981.33

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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.