Home / 667,405.66-1,001,256.11-367,731.98

Finding the Fourth Proportional to 667,405.66, 1,001,256.11 and 367,731.98

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Solution

The fourth proportional to 667,405.66, 1,001,256.11 and 367,731.98 is: 551,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,405.66 : 1,001,256.11 = 367,731.98 : x
  2. Step 2: Convert to fraction form
    667,405.66/1,001,256.11 = 367,731.98/x
  3. Step 3: Cross multiply
    667,405.66x = 1,001,256.11 × 367,731.98
  4. Step 4: Simplify right side
    667,405.66x = 368,193,891,817.40
  5. Step 5: Solve for x
    x = 368,193,891,817.40/667,405.66
  6. Step 6: Final answer
    x = 551,679.31

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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.