Home / 807,956.88-1,114,972.86-440,433.96

Finding the Fourth Proportional to 807,956.88, 1,114,972.86 and 440,433.96

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Solution

The fourth proportional to 807,956.88, 1,114,972.86 and 440,433.96 is: 607,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,956.88 : 1,114,972.86 = 440,433.96 : x
  2. Step 2: Convert to fraction form
    807,956.88/1,114,972.86 = 440,433.96/x
  3. Step 3: Cross multiply
    807,956.88x = 1,114,972.86 × 440,433.96
  4. Step 4: Simplify right side
    807,956.88x = 491,071,912,022.33
  5. Step 5: Solve for x
    x = 491,071,912,022.33/807,956.88
  6. Step 6: Final answer
    x = 607,794.70

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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.