Home / 681,302.62-1,022,391.33-456,916.42

Finding the Fourth Proportional to 681,302.62, 1,022,391.33 and 456,916.42

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Solution

The fourth proportional to 681,302.62, 1,022,391.33 and 456,916.42 is: 685,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,302.62 : 1,022,391.33 = 456,916.42 : x
  2. Step 2: Convert to fraction form
    681,302.62/1,022,391.33 = 456,916.42/x
  3. Step 3: Cross multiply
    681,302.62x = 1,022,391.33 × 456,916.42
  4. Step 4: Simplify right side
    681,302.62x = 467,147,386,342.64
  5. Step 5: Solve for x
    x = 467,147,386,342.64/681,302.62
  6. Step 6: Final answer
    x = 685,667.97

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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.