Home / 382,913.36-574,724.68-193,507.04

Finding the Fourth Proportional to 382,913.36, 574,724.68 and 193,507.04

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Solution

The fourth proportional to 382,913.36, 574,724.68 and 193,507.04 is: 290,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,913.36 : 574,724.68 = 193,507.04 : x
  2. Step 2: Convert to fraction form
    382,913.36/574,724.68 = 193,507.04/x
  3. Step 3: Cross multiply
    382,913.36x = 574,724.68 × 193,507.04
  4. Step 4: Simplify right side
    382,913.36x = 111,213,271,641.75
  5. Step 5: Solve for x
    x = 111,213,271,641.75/382,913.36
  6. Step 6: Final answer
    x = 290,439.78

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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.