Home / 1,196,990.08-1,795,777.80-398,269.60

Finding the Fourth Proportional to 1,196,990.08, 1,795,777.80 and 398,269.60

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Solution

The fourth proportional to 1,196,990.08, 1,795,777.80 and 398,269.60 is: 597,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,990.08 : 1,795,777.80 = 398,269.60 : x
  2. Step 2: Convert to fraction form
    1,196,990.08/1,795,777.80 = 398,269.60/x
  3. Step 3: Cross multiply
    1,196,990.08x = 1,795,777.80 × 398,269.60
  4. Step 4: Simplify right side
    1,196,990.08x = 715,203,706,094.88
  5. Step 5: Solve for x
    x = 715,203,706,094.88/1,196,990.08
  6. Step 6: Final answer
    x = 597,501.78

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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.