Home / 377,548.38-520,941.24-216,453.96

Finding the Fourth Proportional to 377,548.38, 520,941.24 and 216,453.96

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Solution

The fourth proportional to 377,548.38, 520,941.24 and 216,453.96 is: 298,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,548.38 : 520,941.24 = 216,453.96 : x
  2. Step 2: Convert to fraction form
    377,548.38/520,941.24 = 216,453.96/x
  3. Step 3: Cross multiply
    377,548.38x = 520,941.24 × 216,453.96
  4. Step 4: Simplify right side
    377,548.38x = 112,759,794,325.31
  5. Step 5: Solve for x
    x = 112,759,794,325.31/377,548.38
  6. Step 6: Final answer
    x = 298,663.17

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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.