Home / 862,961.91-1,190,892.96-481,012.89

Finding the Fourth Proportional to 862,961.91, 1,190,892.96 and 481,012.89

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Solution

The fourth proportional to 862,961.91, 1,190,892.96 and 481,012.89 is: 663,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,961.91 : 1,190,892.96 = 481,012.89 : x
  2. Step 2: Convert to fraction form
    862,961.91/1,190,892.96 = 481,012.89/x
  3. Step 3: Cross multiply
    862,961.91x = 1,190,892.96 × 481,012.89
  4. Step 4: Simplify right side
    862,961.91x = 572,834,864,370.25
  5. Step 5: Solve for x
    x = 572,834,864,370.25/862,961.91
  6. Step 6: Final answer
    x = 663,800.87

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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.