Home / 893,856.89-1,233,546.84-485,986.19

Finding the Fourth Proportional to 893,856.89, 1,233,546.84 and 485,986.19

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Solution

The fourth proportional to 893,856.89, 1,233,546.84 and 485,986.19 is: 670,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,856.89 : 1,233,546.84 = 485,986.19 : x
  2. Step 2: Convert to fraction form
    893,856.89/1,233,546.84 = 485,986.19/x
  3. Step 3: Cross multiply
    893,856.89x = 1,233,546.84 × 485,986.19
  4. Step 4: Simplify right side
    893,856.89x = 599,486,728,958.14
  5. Step 5: Solve for x
    x = 599,486,728,958.14/893,856.89
  6. Step 6: Final answer
    x = 670,674.17

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Double scale
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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.