Home / 579,283.41-799,436.39-321,143.94

Finding the Fourth Proportional to 579,283.41, 799,436.39 and 321,143.94

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Solution

The fourth proportional to 579,283.41, 799,436.39 and 321,143.94 is: 443,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,283.41 : 799,436.39 = 321,143.94 : x
  2. Step 2: Convert to fraction form
    579,283.41/799,436.39 = 321,143.94/x
  3. Step 3: Cross multiply
    579,283.41x = 799,436.39 × 321,143.94
  4. Step 4: Simplify right side
    579,283.41x = 256,734,150,458.26
  5. Step 5: Solve for x
    x = 256,734,150,458.26/579,283.41
  6. Step 6: Final answer
    x = 443,192.65

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1.5x scale

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.