Home / 569,619.19-786,072.43-321,241.40

Finding the Fourth Proportional to 569,619.19, 786,072.43 and 321,241.40

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Solution

The fourth proportional to 569,619.19, 786,072.43 and 321,241.40 is: 443,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,619.19 : 786,072.43 = 321,241.40 : x
  2. Step 2: Convert to fraction form
    569,619.19/786,072.43 = 321,241.40/x
  3. Step 3: Cross multiply
    569,619.19x = 786,072.43 × 321,241.40
  4. Step 4: Simplify right side
    569,619.19x = 252,519,006,308.40
  5. Step 5: Solve for x
    x = 252,519,006,308.40/569,619.19
  6. Step 6: Final answer
    x = 443,311.97

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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.