Home / 955,076.20-1,432,121.30-281,069.98

Finding the Fourth Proportional to 955,076.20, 1,432,121.30 and 281,069.98

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Solution

The fourth proportional to 955,076.20, 1,432,121.30 and 281,069.98 is: 421,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,076.20 : 1,432,121.30 = 281,069.98 : x
  2. Step 2: Convert to fraction form
    955,076.20/1,432,121.30 = 281,069.98/x
  3. Step 3: Cross multiply
    955,076.20x = 1,432,121.30 × 281,069.98
  4. Step 4: Simplify right side
    955,076.20x = 402,526,305,148.57
  5. Step 5: Solve for x
    x = 402,526,305,148.57/955,076.20
  6. Step 6: Final answer
    x = 421,459.89

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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.