Home / 881,611.10-1,325,235.45-819,208.70

Finding the Fourth Proportional to 881,611.10, 1,325,235.45 and 819,208.70

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Solution

The fourth proportional to 881,611.10, 1,325,235.45 and 819,208.70 is: 1,231,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,611.10 : 1,325,235.45 = 819,208.70 : x
  2. Step 2: Convert to fraction form
    881,611.10/1,325,235.45 = 819,208.70/x
  3. Step 3: Cross multiply
    881,611.10x = 1,325,235.45 × 819,208.70
  4. Step 4: Simplify right side
    881,611.10x = 1,085,644,410,188.41
  5. Step 5: Solve for x
    x = 1,085,644,410,188.41/881,611.10
  6. Step 6: Final answer
    x = 1,231,432.33

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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.