Home / 1,116,051.72-1,539,583.57-729,093.63

Finding the Fourth Proportional to 1,116,051.72, 1,539,583.57 and 729,093.63

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Solution

The fourth proportional to 1,116,051.72, 1,539,583.57 and 729,093.63 is: 1,005,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,051.72 : 1,539,583.57 = 729,093.63 : x
  2. Step 2: Convert to fraction form
    1,116,051.72/1,539,583.57 = 729,093.63/x
  3. Step 3: Cross multiply
    1,116,051.72x = 1,539,583.57 × 729,093.63
  4. Step 4: Simplify right side
    1,116,051.72x = 1,122,500,573,739.66
  5. Step 5: Solve for x
    x = 1,122,500,573,739.66/1,116,051.72
  6. Step 6: Final answer
    x = 1,005,778.27

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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.