Home / 377,427.11-520,650.87-224,356.42

Finding the Fourth Proportional to 377,427.11, 520,650.87 and 224,356.42

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Solution

The fourth proportional to 377,427.11, 520,650.87 and 224,356.42 is: 309,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,427.11 : 520,650.87 = 224,356.42 : x
  2. Step 2: Convert to fraction form
    377,427.11/520,650.87 = 224,356.42/x
  3. Step 3: Cross multiply
    377,427.11x = 520,650.87 × 224,356.42
  4. Step 4: Simplify right side
    377,427.11x = 116,811,362,659.83
  5. Step 5: Solve for x
    x = 116,811,362,659.83/377,427.11
  6. Step 6: Final answer
    x = 309,493.84

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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.