Home / 1,226,128.30-1,839,171.18-551,732.42

Finding the Fourth Proportional to 1,226,128.30, 1,839,171.18 and 551,732.42

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Solution

The fourth proportional to 1,226,128.30, 1,839,171.18 and 551,732.42 is: 827,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,128.30 : 1,839,171.18 = 551,732.42 : x
  2. Step 2: Convert to fraction form
    1,226,128.30/1,839,171.18 = 551,732.42/x
  3. Step 3: Cross multiply
    1,226,128.30x = 1,839,171.18 × 551,732.42
  4. Step 4: Simplify right side
    1,226,128.30x = 1,014,730,365,935.66
  5. Step 5: Solve for x
    x = 1,014,730,365,935.66/1,226,128.30
  6. Step 6: Final answer
    x = 827,589.06

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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.