Home / 427,976.14-590,599.78-236,985.42

Finding the Fourth Proportional to 427,976.14, 590,599.78 and 236,985.42

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Solution

The fourth proportional to 427,976.14, 590,599.78 and 236,985.42 is: 327,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,976.14 : 590,599.78 = 236,985.42 : x
  2. Step 2: Convert to fraction form
    427,976.14/590,599.78 = 236,985.42/x
  3. Step 3: Cross multiply
    427,976.14x = 590,599.78 × 236,985.42
  4. Step 4: Simplify right side
    427,976.14x = 139,963,536,915.21
  5. Step 5: Solve for x
    x = 139,963,536,915.21/427,976.14
  6. Step 6: Final answer
    x = 327,035.84

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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.