Home / 792,020.46-1,187,754.21-318,583.02

Finding the Fourth Proportional to 792,020.46, 1,187,754.21 and 318,583.02

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Solution

The fourth proportional to 792,020.46, 1,187,754.21 and 318,583.02 is: 477,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,020.46 : 1,187,754.21 = 318,583.02 : x
  2. Step 2: Convert to fraction form
    792,020.46/1,187,754.21 = 318,583.02/x
  3. Step 3: Cross multiply
    792,020.46x = 1,187,754.21 × 318,583.02
  4. Step 4: Simplify right side
    792,020.46x = 378,398,323,239.51
  5. Step 5: Solve for x
    x = 378,398,323,239.51/792,020.46
  6. Step 6: Final answer
    x = 477,763.32

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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.