Home / 889,191.62-1,333,785.45-687,081.63

Finding the Fourth Proportional to 889,191.62, 1,333,785.45 and 687,081.63

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Solution

The fourth proportional to 889,191.62, 1,333,785.45 and 687,081.63 is: 1,030,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,191.62 : 1,333,785.45 = 687,081.63 : x
  2. Step 2: Convert to fraction form
    889,191.62/1,333,785.45 = 687,081.63/x
  3. Step 3: Cross multiply
    889,191.62x = 1,333,785.45 × 687,081.63
  4. Step 4: Simplify right side
    889,191.62x = 916,419,488,634.54
  5. Step 5: Solve for x
    x = 916,419,488,634.54/889,191.62
  6. Step 6: Final answer
    x = 1,030,620.93

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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.