Home / 571,037.40-856,167.30-215,998.20

Finding the Fourth Proportional to 571,037.40, 856,167.30 and 215,998.20

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Solution

The fourth proportional to 571,037.40, 856,167.30 and 215,998.20 is: 323,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,037.40 : 856,167.30 = 215,998.20 : x
  2. Step 2: Convert to fraction form
    571,037.40/856,167.30 = 215,998.20/x
  3. Step 3: Cross multiply
    571,037.40x = 856,167.30 × 215,998.20
  4. Step 4: Simplify right side
    571,037.40x = 184,930,595,698.86
  5. Step 5: Solve for x
    x = 184,930,595,698.86/571,037.40
  6. Step 6: Final answer
    x = 323,850.23

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.