Home / 808,736.30-1,214,416.65-454,442.30

Finding the Fourth Proportional to 808,736.30, 1,214,416.65 and 454,442.30

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Solution

The fourth proportional to 808,736.30, 1,214,416.65 and 454,442.30 is: 682,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,736.30 : 1,214,416.65 = 454,442.30 : x
  2. Step 2: Convert to fraction form
    808,736.30/1,214,416.65 = 454,442.30/x
  3. Step 3: Cross multiply
    808,736.30x = 1,214,416.65 × 454,442.30
  4. Step 4: Simplify right side
    808,736.30x = 551,882,295,584.30
  5. Step 5: Solve for x
    x = 551,882,295,584.30/808,736.30
  6. Step 6: Final answer
    x = 682,400.80

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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.