Home / 590,136.20-884,037.90-323,419.40

Finding the Fourth Proportional to 590,136.20, 884,037.90 and 323,419.40

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Solution

The fourth proportional to 590,136.20, 884,037.90 and 323,419.40 is: 484,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,136.20 : 884,037.90 = 323,419.40 : x
  2. Step 2: Convert to fraction form
    590,136.20/884,037.90 = 323,419.40/x
  3. Step 3: Cross multiply
    590,136.20x = 884,037.90 × 323,419.40
  4. Step 4: Simplify right side
    590,136.20x = 285,915,007,195.26
  5. Step 5: Solve for x
    x = 285,915,007,195.26/590,136.20
  6. Step 6: Final answer
    x = 484,489.86

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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.