Home / 405,824.20-608,736.30-195,872.20

Finding the Fourth Proportional to 405,824.20, 608,736.30 and 195,872.20

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Solution

The fourth proportional to 405,824.20, 608,736.30 and 195,872.20 is: 293,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,824.20 : 608,736.30 = 195,872.20 : x
  2. Step 2: Convert to fraction form
    405,824.20/608,736.30 = 195,872.20/x
  3. Step 3: Cross multiply
    405,824.20x = 608,736.30 × 195,872.20
  4. Step 4: Simplify right side
    405,824.20x = 119,234,518,300.86
  5. Step 5: Solve for x
    x = 119,234,518,300.86/405,824.20
  6. Step 6: Final answer
    x = 293,808.30

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1.5x scale

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.