Home / 583,091.28-804,633.44-321,438.15

Finding the Fourth Proportional to 583,091.28, 804,633.44 and 321,438.15

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Solution

The fourth proportional to 583,091.28, 804,633.44 and 321,438.15 is: 443,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,091.28 : 804,633.44 = 321,438.15 : x
  2. Step 2: Convert to fraction form
    583,091.28/804,633.44 = 321,438.15/x
  3. Step 3: Cross multiply
    583,091.28x = 804,633.44 × 321,438.15
  4. Step 4: Simplify right side
    583,091.28x = 258,639,882,774.55
  5. Step 5: Solve for x
    x = 258,639,882,774.55/583,091.28
  6. Step 6: Final answer
    x = 443,566.71

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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.