Home / 945,964.80-1,418,103.45-346,786.07

Finding the Fourth Proportional to 945,964.80, 1,418,103.45 and 346,786.07

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Solution

The fourth proportional to 945,964.80, 1,418,103.45 and 346,786.07 is: 519,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,964.80 : 1,418,103.45 = 346,786.07 : x
  2. Step 2: Convert to fraction form
    945,964.80/1,418,103.45 = 346,786.07/x
  3. Step 3: Cross multiply
    945,964.80x = 1,418,103.45 × 346,786.07
  4. Step 4: Simplify right side
    945,964.80x = 491,778,515,188.42
  5. Step 5: Solve for x
    x = 491,778,515,188.42/945,964.80
  6. Step 6: Final answer
    x = 519,869.78

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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.