Home / 593,071.02-818,436.85-321,138.09

Finding the Fourth Proportional to 593,071.02, 818,436.85 and 321,138.09

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Solution

The fourth proportional to 593,071.02, 818,436.85 and 321,138.09 is: 443,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,071.02 : 818,436.85 = 321,138.09 : x
  2. Step 2: Convert to fraction form
    593,071.02/818,436.85 = 321,138.09/x
  3. Step 3: Cross multiply
    593,071.02x = 818,436.85 × 321,138.09
  4. Step 4: Simplify right side
    593,071.02x = 262,831,245,991.77
  5. Step 5: Solve for x
    x = 262,831,245,991.77/593,071.02
  6. Step 6: Final answer
    x = 443,169.94

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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.