Home / 929,601.20-1,394,401.80-866,615.60

Finding the Fourth Proportional to 929,601.20, 1,394,401.80 and 866,615.60

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Solution

The fourth proportional to 929,601.20, 1,394,401.80 and 866,615.60 is: 1,299,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,601.20 : 1,394,401.80 = 866,615.60 : x
  2. Step 2: Convert to fraction form
    929,601.20/1,394,401.80 = 866,615.60/x
  3. Step 3: Cross multiply
    929,601.20x = 1,394,401.80 × 866,615.60
  4. Step 4: Simplify right side
    929,601.20x = 1,208,410,352,548.08
  5. Step 5: Solve for x
    x = 1,208,410,352,548.08/929,601.20
  6. Step 6: Final answer
    x = 1,299,923.40

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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.