Home / 351,310.24-484,803.60-200,409.76

Finding the Fourth Proportional to 351,310.24, 484,803.60 and 200,409.76

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Solution

The fourth proportional to 351,310.24, 484,803.60 and 200,409.76 is: 276,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,310.24 : 484,803.60 = 200,409.76 : x
  2. Step 2: Convert to fraction form
    351,310.24/484,803.60 = 200,409.76/x
  3. Step 3: Cross multiply
    351,310.24x = 484,803.60 × 200,409.76
  4. Step 4: Simplify right side
    351,310.24x = 97,159,373,123.14
  5. Step 5: Solve for x
    x = 97,159,373,123.14/351,310.24
  6. Step 6: Final answer
    x = 276,562.88

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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.