Home / 456,069.80-629,372.10-252,133.40

Finding the Fourth Proportional to 456,069.80, 629,372.10 and 252,133.40

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Solution

The fourth proportional to 456,069.80, 629,372.10 and 252,133.40 is: 347,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,069.80 : 629,372.10 = 252,133.40 : x
  2. Step 2: Convert to fraction form
    456,069.80/629,372.10 = 252,133.40/x
  3. Step 3: Cross multiply
    456,069.80x = 629,372.10 × 252,133.40
  4. Step 4: Simplify right side
    456,069.80x = 158,685,727,438.14
  5. Step 5: Solve for x
    x = 158,685,727,438.14/456,069.80
  6. Step 6: Final answer
    x = 347,941.76

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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.