Home / 744,597.84-1,027,540.12-405,067.44

Finding the Fourth Proportional to 744,597.84, 1,027,540.12 and 405,067.44

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Solution

The fourth proportional to 744,597.84, 1,027,540.12 and 405,067.44 is: 558,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,597.84 : 1,027,540.12 = 405,067.44 : x
  2. Step 2: Convert to fraction form
    744,597.84/1,027,540.12 = 405,067.44/x
  3. Step 3: Cross multiply
    744,597.84x = 1,027,540.12 × 405,067.44
  4. Step 4: Simplify right side
    744,597.84x = 416,223,045,905.69
  5. Step 5: Solve for x
    x = 416,223,045,905.69/744,597.84
  6. Step 6: Final answer
    x = 558,990.40

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1.5x scale

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.