Home / 593,436.90-818,941.95-321,511.71

Finding the Fourth Proportional to 593,436.90, 818,941.95 and 321,511.71

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Solution

The fourth proportional to 593,436.90, 818,941.95 and 321,511.71 is: 443,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,436.90 : 818,941.95 = 321,511.71 : x
  2. Step 2: Convert to fraction form
    593,436.90/818,941.95 = 321,511.71/x
  3. Step 3: Cross multiply
    593,436.90x = 818,941.95 × 321,511.71
  4. Step 4: Simplify right side
    593,436.90x = 263,299,426,735.24
  5. Step 5: Solve for x
    x = 263,299,426,735.24/593,436.90
  6. Step 6: Final answer
    x = 443,685.63

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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.