Home / 382,816.20-574,346.70-116,627.40

Finding the Fourth Proportional to 382,816.20, 574,346.70 and 116,627.40

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Solution

The fourth proportional to 382,816.20, 574,346.70 and 116,627.40 is: 174,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,816.20 : 574,346.70 = 116,627.40 : x
  2. Step 2: Convert to fraction form
    382,816.20/574,346.70 = 116,627.40/x
  3. Step 3: Cross multiply
    382,816.20x = 574,346.70 × 116,627.40
  4. Step 4: Simplify right side
    382,816.20x = 66,984,562,319.58
  5. Step 5: Solve for x
    x = 66,984,562,319.58/382,816.20
  6. Step 6: Final answer
    x = 174,978.39

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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.