Home / 1,255,721.44-1,883,540.40-545,750.32

Finding the Fourth Proportional to 1,255,721.44, 1,883,540.40 and 545,750.32

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Solution

The fourth proportional to 1,255,721.44, 1,883,540.40 and 545,750.32 is: 818,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,721.44 : 1,883,540.40 = 545,750.32 : x
  2. Step 2: Convert to fraction form
    1,255,721.44/1,883,540.40 = 545,750.32/x
  3. Step 3: Cross multiply
    1,255,721.44x = 1,883,540.40 × 545,750.32
  4. Step 4: Simplify right side
    1,255,721.44x = 1,027,942,776,032.93
  5. Step 5: Solve for x
    x = 1,027,942,776,032.93/1,255,721.44
  6. Step 6: Final answer
    x = 818,607.33

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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.