Home / 548,914.60-823,167.10-216,421.80

Finding the Fourth Proportional to 548,914.60, 823,167.10 and 216,421.80

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Solution

The fourth proportional to 548,914.60, 823,167.10 and 216,421.80 is: 324,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,914.60 : 823,167.10 = 216,421.80 : x
  2. Step 2: Convert to fraction form
    548,914.60/823,167.10 = 216,421.80/x
  3. Step 3: Cross multiply
    548,914.60x = 823,167.10 × 216,421.80
  4. Step 4: Simplify right side
    548,914.60x = 178,151,305,482.78
  5. Step 5: Solve for x
    x = 178,151,305,482.78/548,914.60
  6. Step 6: Final answer
    x = 324,551.95

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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.