Home / 388,438.04-582,458.34-177,895.56

Finding the Fourth Proportional to 388,438.04, 582,458.34 and 177,895.56

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Solution

The fourth proportional to 388,438.04, 582,458.34 and 177,895.56 is: 266,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,438.04 : 582,458.34 = 177,895.56 : x
  2. Step 2: Convert to fraction form
    388,438.04/582,458.34 = 177,895.56/x
  3. Step 3: Cross multiply
    388,438.04x = 582,458.34 × 177,895.56
  4. Step 4: Simplify right side
    388,438.04x = 103,616,752,570.97
  5. Step 5: Solve for x
    x = 103,616,752,570.97/388,438.04
  6. Step 6: Final answer
    x = 266,752.33

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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.