Home / 384,528.78-576,791.34-213,670.02

Finding the Fourth Proportional to 384,528.78, 576,791.34 and 213,670.02

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Solution

The fourth proportional to 384,528.78, 576,791.34 and 213,670.02 is: 320,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,528.78 : 576,791.34 = 213,670.02 : x
  2. Step 2: Convert to fraction form
    384,528.78/576,791.34 = 213,670.02/x
  3. Step 3: Cross multiply
    384,528.78x = 576,791.34 × 213,670.02
  4. Step 4: Simplify right side
    384,528.78x = 123,243,017,153.63
  5. Step 5: Solve for x
    x = 123,243,017,153.63/384,528.78
  6. Step 6: Final answer
    x = 320,504.01

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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.