Home / 1,776,505.60-2,664,758.40-1,209,635.20

Finding the Fourth Proportional to 1,776,505.60, 2,664,758.40 and 1,209,635.20

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Solution

The fourth proportional to 1,776,505.60, 2,664,758.40 and 1,209,635.20 is: 1,814,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,505.60 : 2,664,758.40 = 1,209,635.20 : x
  2. Step 2: Convert to fraction form
    1,776,505.60/2,664,758.40 = 1,209,635.20/x
  3. Step 3: Cross multiply
    1,776,505.60x = 2,664,758.40 × 1,209,635.20
  4. Step 4: Simplify right side
    1,776,505.60x = 3,223,385,560,135.68
  5. Step 5: Solve for x
    x = 3,223,385,560,135.68/1,776,505.60
  6. Step 6: Final answer
    x = 1,814,452.80

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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.