Home / 1,729,123.20-2,593,684.80-1,098,489.60

Finding the Fourth Proportional to 1,729,123.20, 2,593,684.80 and 1,098,489.60

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Solution

The fourth proportional to 1,729,123.20, 2,593,684.80 and 1,098,489.60 is: 1,647,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,123.20 : 2,593,684.80 = 1,098,489.60 : x
  2. Step 2: Convert to fraction form
    1,729,123.20/2,593,684.80 = 1,098,489.60/x
  3. Step 3: Cross multiply
    1,729,123.20x = 2,593,684.80 × 1,098,489.60
  4. Step 4: Simplify right side
    1,729,123.20x = 2,849,135,778,478.08
  5. Step 5: Solve for x
    x = 2,849,135,778,478.08/1,729,123.20
  6. Step 6: Final answer
    x = 1,647,734.40

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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.