Home / 372,121.20-558,181.80-352,875.60

Finding the Fourth Proportional to 372,121.20, 558,181.80 and 352,875.60

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Solution

The fourth proportional to 372,121.20, 558,181.80 and 352,875.60 is: 529,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,121.20 : 558,181.80 = 352,875.60 : x
  2. Step 2: Convert to fraction form
    372,121.20/558,181.80 = 352,875.60/x
  3. Step 3: Cross multiply
    372,121.20x = 558,181.80 × 352,875.60
  4. Step 4: Simplify right side
    372,121.20x = 196,968,737,584.08
  5. Step 5: Solve for x
    x = 196,968,737,584.08/372,121.20
  6. Step 6: Final answer
    x = 529,313.40

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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.