Home / 1,111,728.65-1,667,592.97-270,273.11

Finding the Fourth Proportional to 1,111,728.65, 1,667,592.97 and 270,273.11

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Solution

The fourth proportional to 1,111,728.65, 1,667,592.97 and 270,273.11 is: 405,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,728.65 : 1,667,592.97 = 270,273.11 : x
  2. Step 2: Convert to fraction form
    1,111,728.65/1,667,592.97 = 270,273.11/x
  3. Step 3: Cross multiply
    1,111,728.65x = 1,667,592.97 × 270,273.11
  4. Step 4: Simplify right side
    1,111,728.65x = 450,705,529,202.39
  5. Step 5: Solve for x
    x = 450,705,529,202.39/1,111,728.65
  6. Step 6: Final answer
    x = 405,409.66

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Half scale
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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.