Home / 1,325,450.32-1,830,200.04-1,080,473.51

Finding the Fourth Proportional to 1,325,450.32, 1,830,200.04 and 1,080,473.51

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Solution

The fourth proportional to 1,325,450.32, 1,830,200.04 and 1,080,473.51 is: 1,491,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,450.32 : 1,830,200.04 = 1,080,473.51 : x
  2. Step 2: Convert to fraction form
    1,325,450.32/1,830,200.04 = 1,080,473.51/x
  3. Step 3: Cross multiply
    1,325,450.32x = 1,830,200.04 × 1,080,473.51
  4. Step 4: Simplify right side
    1,325,450.32x = 1,977,482,665,796.44
  5. Step 5: Solve for x
    x = 1,977,482,665,796.44/1,325,450.32
  6. Step 6: Final answer
    x = 1,491,932.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.