Home / 388,679.26-536,511.60-227,586.10

Finding the Fourth Proportional to 388,679.26, 536,511.60 and 227,586.10

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Solution

The fourth proportional to 388,679.26, 536,511.60 and 227,586.10 is: 314,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,679.26 : 536,511.60 = 227,586.10 : x
  2. Step 2: Convert to fraction form
    388,679.26/536,511.60 = 227,586.10/x
  3. Step 3: Cross multiply
    388,679.26x = 536,511.60 × 227,586.10
  4. Step 4: Simplify right side
    388,679.26x = 122,102,582,648.76
  5. Step 5: Solve for x
    x = 122,102,582,648.76/388,679.26
  6. Step 6: Final answer
    x = 314,147.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.