Home / 579,354.07-799,591.34-321,288.41

Finding the Fourth Proportional to 579,354.07, 799,591.34 and 321,288.41

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Solution

The fourth proportional to 579,354.07, 799,591.34 and 321,288.41 is: 443,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,354.07 : 799,591.34 = 321,288.41 : x
  2. Step 2: Convert to fraction form
    579,354.07/799,591.34 = 321,288.41/x
  3. Step 3: Cross multiply
    579,354.07x = 799,591.34 × 321,288.41
  4. Step 4: Simplify right side
    579,354.07x = 256,899,427,679.24
  5. Step 5: Solve for x
    x = 256,899,427,679.24/579,354.07
  6. Step 6: Final answer
    x = 443,423.88

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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.