Home / 728,227.88-1,092,837.18-446,886.44

Finding the Fourth Proportional to 728,227.88, 1,092,837.18 and 446,886.44

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Solution

The fourth proportional to 728,227.88, 1,092,837.18 and 446,886.44 is: 670,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,227.88 : 1,092,837.18 = 446,886.44 : x
  2. Step 2: Convert to fraction form
    728,227.88/1,092,837.18 = 446,886.44/x
  3. Step 3: Cross multiply
    728,227.88x = 1,092,837.18 × 446,886.44
  4. Step 4: Simplify right side
    728,227.88x = 488,374,116,869.84
  5. Step 5: Solve for x
    x = 488,374,116,869.84/728,227.88
  6. Step 6: Final answer
    x = 670,633.64

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1.5x scale

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.