Home / 589,891.50-814,051.08-321,619.50

Finding the Fourth Proportional to 589,891.50, 814,051.08 and 321,619.50

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Solution

The fourth proportional to 589,891.50, 814,051.08 and 321,619.50 is: 443,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,891.50 : 814,051.08 = 321,619.50 : x
  2. Step 2: Convert to fraction form
    589,891.50/814,051.08 = 321,619.50/x
  3. Step 3: Cross multiply
    589,891.50x = 814,051.08 × 321,619.50
  4. Step 4: Simplify right side
    589,891.50x = 261,814,701,324.06
  5. Step 5: Solve for x
    x = 261,814,701,324.06/589,891.50
  6. Step 6: Final answer
    x = 443,835.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.