Home / 388,330.59-582,562.31-177,986.55

Finding the Fourth Proportional to 388,330.59, 582,562.31 and 177,986.55

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Solution

The fourth proportional to 388,330.59, 582,562.31 and 177,986.55 is: 267,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,330.59 : 582,562.31 = 177,986.55 : x
  2. Step 2: Convert to fraction form
    388,330.59/582,562.31 = 177,986.55/x
  3. Step 3: Cross multiply
    388,330.59x = 582,562.31 × 177,986.55
  4. Step 4: Simplify right side
    388,330.59x = 103,688,254,827.00
  5. Step 5: Solve for x
    x = 103,688,254,827.00/388,330.59
  6. Step 6: Final answer
    x = 267,010.27

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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.