Home / 885,596.45-1,328,296.22-316,954.55

Finding the Fourth Proportional to 885,596.45, 1,328,296.22 and 316,954.55

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Solution

The fourth proportional to 885,596.45, 1,328,296.22 and 316,954.55 is: 475,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,596.45 : 1,328,296.22 = 316,954.55 : x
  2. Step 2: Convert to fraction form
    885,596.45/1,328,296.22 = 316,954.55/x
  3. Step 3: Cross multiply
    885,596.45x = 1,328,296.22 × 316,954.55
  4. Step 4: Simplify right side
    885,596.45x = 421,009,529,092.03
  5. Step 5: Solve for x
    x = 421,009,529,092.03/885,596.45
  6. Step 6: Final answer
    x = 475,396.59

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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.