Home / 1,681,548.58-2,320,586.40-917,651.44

Finding the Fourth Proportional to 1,681,548.58, 2,320,586.40 and 917,651.44

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Solution

The fourth proportional to 1,681,548.58, 2,320,586.40 and 917,651.44 is: 1,266,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,548.58 : 2,320,586.40 = 917,651.44 : x
  2. Step 2: Convert to fraction form
    1,681,548.58/2,320,586.40 = 917,651.44/x
  3. Step 3: Cross multiply
    1,681,548.58x = 2,320,586.40 × 917,651.44
  4. Step 4: Simplify right side
    1,681,548.58x = 2,129,489,451,604.42
  5. Step 5: Solve for x
    x = 2,129,489,451,604.42/1,681,548.58
  6. Step 6: Final answer
    x = 1,266,385.92

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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.