Home / 808,821.60-1,214,107.20-454,527.60

Finding the Fourth Proportional to 808,821.60, 1,214,107.20 and 454,527.60

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Solution

The fourth proportional to 808,821.60, 1,214,107.20 and 454,527.60 is: 682,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,821.60 : 1,214,107.20 = 454,527.60 : x
  2. Step 2: Convert to fraction form
    808,821.60/1,214,107.20 = 454,527.60/x
  3. Step 3: Cross multiply
    808,821.60x = 1,214,107.20 × 454,527.60
  4. Step 4: Simplify right side
    808,821.60x = 551,845,231,758.72
  5. Step 5: Solve for x
    x = 551,845,231,758.72/808,821.60
  6. Step 6: Final answer
    x = 682,283.01

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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.