Home / 672,317.25-1,008,773.69-352,393.09

Finding the Fourth Proportional to 672,317.25, 1,008,773.69 and 352,393.09

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Solution

The fourth proportional to 672,317.25, 1,008,773.69 and 352,393.09 is: 528,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,317.25 : 1,008,773.69 = 352,393.09 : x
  2. Step 2: Convert to fraction form
    672,317.25/1,008,773.69 = 352,393.09/x
  3. Step 3: Cross multiply
    672,317.25x = 1,008,773.69 × 352,393.09
  4. Step 4: Simplify right side
    672,317.25x = 355,484,877,729.80
  5. Step 5: Solve for x
    x = 355,484,877,729.80/672,317.25
  6. Step 6: Final answer
    x = 528,745.73

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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.