Home / 384,122.20-576,183.30-317,637.40

Finding the Fourth Proportional to 384,122.20, 576,183.30 and 317,637.40

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Solution

The fourth proportional to 384,122.20, 576,183.30 and 317,637.40 is: 476,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,122.20 : 576,183.30 = 317,637.40 : x
  2. Step 2: Convert to fraction form
    384,122.20/576,183.30 = 317,637.40/x
  3. Step 3: Cross multiply
    384,122.20x = 576,183.30 × 317,637.40
  4. Step 4: Simplify right side
    384,122.20x = 183,017,365,335.42
  5. Step 5: Solve for x
    x = 183,017,365,335.42/384,122.20
  6. Step 6: Final answer
    x = 476,456.10

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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.