Home / 388,327.59-582,557.81-177,983.55

Finding the Fourth Proportional to 388,327.59, 582,557.81 and 177,983.55

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Solution

The fourth proportional to 388,327.59, 582,557.81 and 177,983.55 is: 267,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,327.59 : 582,557.81 = 177,983.55 : x
  2. Step 2: Convert to fraction form
    388,327.59/582,557.81 = 177,983.55/x
  3. Step 3: Cross multiply
    388,327.59x = 582,557.81 × 177,983.55
  4. Step 4: Simplify right side
    388,327.59x = 103,685,706,214.11
  5. Step 5: Solve for x
    x = 103,685,706,214.11/388,327.59
  6. Step 6: Final answer
    x = 267,005.77

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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.