Home / 386,219.04-532,982.16-235,316.64

Finding the Fourth Proportional to 386,219.04, 532,982.16 and 235,316.64

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Solution

The fourth proportional to 386,219.04, 532,982.16 and 235,316.64 is: 324,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,219.04 : 532,982.16 = 235,316.64 : x
  2. Step 2: Convert to fraction form
    386,219.04/532,982.16 = 235,316.64/x
  3. Step 3: Cross multiply
    386,219.04x = 532,982.16 × 235,316.64
  4. Step 4: Simplify right side
    386,219.04x = 125,419,571,071.14
  5. Step 5: Solve for x
    x = 125,419,571,071.14/386,219.04
  6. Step 6: Final answer
    x = 324,736.89

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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.