Home / 786,045.44-1,179,067.53-253,566.44

Finding the Fourth Proportional to 786,045.44, 1,179,067.53 and 253,566.44

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Solution

The fourth proportional to 786,045.44, 1,179,067.53 and 253,566.44 is: 380,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,045.44 : 1,179,067.53 = 253,566.44 : x
  2. Step 2: Convert to fraction form
    786,045.44/1,179,067.53 = 253,566.44/x
  3. Step 3: Cross multiply
    786,045.44x = 1,179,067.53 × 253,566.44
  4. Step 4: Simplify right side
    786,045.44x = 298,971,950,206.36
  5. Step 5: Solve for x
    x = 298,971,950,206.36/786,045.44
  6. Step 6: Final answer
    x = 380,349.45

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Double scale
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Similar ratio
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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.