Home / 1,291,644.40-1,933,780.20-1,144,188.40

Finding the Fourth Proportional to 1,291,644.40, 1,933,780.20 and 1,144,188.40

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Solution

The fourth proportional to 1,291,644.40, 1,933,780.20 and 1,144,188.40 is: 1,713,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,644.40 : 1,933,780.20 = 1,144,188.40 : x
  2. Step 2: Convert to fraction form
    1,291,644.40/1,933,780.20 = 1,144,188.40/x
  3. Step 3: Cross multiply
    1,291,644.40x = 1,933,780.20 × 1,144,188.40
  4. Step 4: Simplify right side
    1,291,644.40x = 2,212,608,872,989.68
  5. Step 5: Solve for x
    x = 2,212,608,872,989.68/1,291,644.40
  6. Step 6: Final answer
    x = 1,713,017.04

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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.