Home / 571,188.08-856,791.21-216,106.76

Finding the Fourth Proportional to 571,188.08, 856,791.21 and 216,106.76

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Solution

The fourth proportional to 571,188.08, 856,791.21 and 216,106.76 is: 324,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,188.08 : 856,791.21 = 216,106.76 : x
  2. Step 2: Convert to fraction form
    571,188.08/856,791.21 = 216,106.76/x
  3. Step 3: Cross multiply
    571,188.08x = 856,791.21 × 216,106.76
  4. Step 4: Simplify right side
    571,188.08x = 185,158,368,105.62
  5. Step 5: Solve for x
    x = 185,158,368,105.62/571,188.08
  6. Step 6: Final answer
    x = 324,163.57

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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.