Home / 1,511,643.83-2,267,451.54-612,871.88

Finding the Fourth Proportional to 1,511,643.83, 2,267,451.54 and 612,871.88

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Solution

The fourth proportional to 1,511,643.83, 2,267,451.54 and 612,871.88 is: 919,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,643.83 : 2,267,451.54 = 612,871.88 : x
  2. Step 2: Convert to fraction form
    1,511,643.83/2,267,451.54 = 612,871.88/x
  3. Step 3: Cross multiply
    1,511,643.83x = 2,267,451.54 × 612,871.88
  4. Step 4: Simplify right side
    1,511,643.83x = 1,389,657,276,791.44
  5. Step 5: Solve for x
    x = 1,389,657,276,791.44/1,511,643.83
  6. Step 6: Final answer
    x = 919,302.06

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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.