Home / 388,534.16-582,653.61-185,922.29

Finding the Fourth Proportional to 388,534.16, 582,653.61 and 185,922.29

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Solution

The fourth proportional to 388,534.16, 582,653.61 and 185,922.29 is: 278,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,534.16 : 582,653.61 = 185,922.29 : x
  2. Step 2: Convert to fraction form
    388,534.16/582,653.61 = 185,922.29/x
  3. Step 3: Cross multiply
    388,534.16x = 582,653.61 × 185,922.29
  4. Step 4: Simplify right side
    388,534.16x = 108,328,290,534.70
  5. Step 5: Solve for x
    x = 108,328,290,534.70/388,534.16
  6. Step 6: Final answer
    x = 278,812.79

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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.