Home / 571,200.66-856,921.28-216,206.82

Finding the Fourth Proportional to 571,200.66, 856,921.28 and 216,206.82

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Solution

The fourth proportional to 571,200.66, 856,921.28 and 216,206.82 is: 324,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,200.66 : 856,921.28 = 216,206.82 : x
  2. Step 2: Convert to fraction form
    571,200.66/856,921.28 = 216,206.82/x
  3. Step 3: Cross multiply
    571,200.66x = 856,921.28 × 216,206.82
  4. Step 4: Simplify right side
    571,200.66x = 185,272,223,858.10
  5. Step 5: Solve for x
    x = 185,272,223,858.10/571,200.66
  6. Step 6: Final answer
    x = 324,355.76

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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.