Home / 411,528.06-568,102.90-309,592.44

Finding the Fourth Proportional to 411,528.06, 568,102.90 and 309,592.44

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Solution

The fourth proportional to 411,528.06, 568,102.90 and 309,592.44 is: 427,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,528.06 : 568,102.90 = 309,592.44 : x
  2. Step 2: Convert to fraction form
    411,528.06/568,102.90 = 309,592.44/x
  3. Step 3: Cross multiply
    411,528.06x = 568,102.90 × 309,592.44
  4. Step 4: Simplify right side
    411,528.06x = 175,880,362,982.08
  5. Step 5: Solve for x
    x = 175,880,362,982.08/411,528.06
  6. Step 6: Final answer
    x = 427,383.65

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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.