Home / 1,181,121.95-1,771,965.11-382,404.34

Finding the Fourth Proportional to 1,181,121.95, 1,771,965.11 and 382,404.34

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Solution

The fourth proportional to 1,181,121.95, 1,771,965.11 and 382,404.34 is: 573,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,121.95 : 1,771,965.11 = 382,404.34 : x
  2. Step 2: Convert to fraction form
    1,181,121.95/1,771,965.11 = 382,404.34/x
  3. Step 3: Cross multiply
    1,181,121.95x = 1,771,965.11 × 382,404.34
  4. Step 4: Simplify right side
    1,181,121.95x = 677,607,137,620.73
  5. Step 5: Solve for x
    x = 677,607,137,620.73/1,181,121.95
  6. Step 6: Final answer
    x = 573,697.86

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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.