Home / 929,107.71-1,392,720.35-629,618.58

Finding the Fourth Proportional to 929,107.71, 1,392,720.35 and 629,618.58

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Solution

The fourth proportional to 929,107.71, 1,392,720.35 and 629,618.58 is: 943,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,107.71 : 1,392,720.35 = 629,618.58 : x
  2. Step 2: Convert to fraction form
    929,107.71/1,392,720.35 = 629,618.58/x
  3. Step 3: Cross multiply
    929,107.71x = 1,392,720.35 × 629,618.58
  4. Step 4: Simplify right side
    929,107.71x = 876,882,605,956.01
  5. Step 5: Solve for x
    x = 876,882,605,956.01/929,107.71
  6. Step 6: Final answer
    x = 943,790.04

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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.