Home / 672,136.40-1,008,204.60-251,357.60

Finding the Fourth Proportional to 672,136.40, 1,008,204.60 and 251,357.60

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Solution

The fourth proportional to 672,136.40, 1,008,204.60 and 251,357.60 is: 377,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,136.40 : 1,008,204.60 = 251,357.60 : x
  2. Step 2: Convert to fraction form
    672,136.40/1,008,204.60 = 251,357.60/x
  3. Step 3: Cross multiply
    672,136.40x = 1,008,204.60 × 251,357.60
  4. Step 4: Simplify right side
    672,136.40x = 253,419,888,564.96
  5. Step 5: Solve for x
    x = 253,419,888,564.96/672,136.40
  6. Step 6: Final answer
    x = 377,036.40

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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.