Home / 929,132.72-1,392,758.04-629,643.92

Finding the Fourth Proportional to 929,132.72, 1,392,758.04 and 629,643.92

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Solution

The fourth proportional to 929,132.72, 1,392,758.04 and 629,643.92 is: 943,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,132.72 : 1,392,758.04 = 629,643.92 : x
  2. Step 2: Convert to fraction form
    929,132.72/1,392,758.04 = 629,643.92/x
  3. Step 3: Cross multiply
    929,132.72x = 1,392,758.04 × 629,643.92
  4. Step 4: Simplify right side
    929,132.72x = 876,941,631,917.12
  5. Step 5: Solve for x
    x = 876,941,631,917.12/929,132.72
  6. Step 6: Final answer
    x = 943,828.17

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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.