Home / 1,753,321.20-2,629,787.40-1,437,226.80

Finding the Fourth Proportional to 1,753,321.20, 2,629,787.40 and 1,437,226.80

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Solution

The fourth proportional to 1,753,321.20, 2,629,787.40 and 1,437,226.80 is: 2,155,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,321.20 : 2,629,787.40 = 1,437,226.80 : x
  2. Step 2: Convert to fraction form
    1,753,321.20/2,629,787.40 = 1,437,226.80/x
  3. Step 3: Cross multiply
    1,753,321.20x = 2,629,787.40 × 1,437,226.80
  4. Step 4: Simplify right side
    1,753,321.20x = 3,779,600,929,582.32
  5. Step 5: Solve for x
    x = 3,779,600,929,582.32/1,753,321.20
  6. Step 6: Final answer
    x = 2,155,680.85

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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.