Home / 1,618,842.78-2,233,944.36-893,674.89

Finding the Fourth Proportional to 1,618,842.78, 2,233,944.36 and 893,674.89

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Solution

The fourth proportional to 1,618,842.78, 2,233,944.36 and 893,674.89 is: 1,233,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,842.78 : 2,233,944.36 = 893,674.89 : x
  2. Step 2: Convert to fraction form
    1,618,842.78/2,233,944.36 = 893,674.89/x
  3. Step 3: Cross multiply
    1,618,842.78x = 2,233,944.36 × 893,674.89
  4. Step 4: Simplify right side
    1,618,842.78x = 1,996,419,980,189.12
  5. Step 5: Solve for x
    x = 1,996,419,980,189.12/1,618,842.78
  6. Step 6: Final answer
    x = 1,233,238.96

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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.