Home / 785,914.82-1,179,102.27-253,425.14

Finding the Fourth Proportional to 785,914.82, 1,179,102.27 and 253,425.14

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Solution

The fourth proportional to 785,914.82, 1,179,102.27 and 253,425.14 is: 380,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,914.82 : 1,179,102.27 = 253,425.14 : x
  2. Step 2: Convert to fraction form
    785,914.82/1,179,102.27 = 253,425.14/x
  3. Step 3: Cross multiply
    785,914.82x = 1,179,102.27 × 253,425.14
  4. Step 4: Simplify right side
    785,914.82x = 298,814,157,849.07
  5. Step 5: Solve for x
    x = 298,814,157,849.07/785,914.82
  6. Step 6: Final answer
    x = 380,211.89

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Double scale
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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.