Home / 1,412,435.25-2,119,586.00-664,539.57

Finding the Fourth Proportional to 1,412,435.25, 2,119,586.00 and 664,539.57

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Solution

The fourth proportional to 1,412,435.25, 2,119,586.00 and 664,539.57 is: 997,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,435.25 : 2,119,586.00 = 664,539.57 : x
  2. Step 2: Convert to fraction form
    1,412,435.25/2,119,586.00 = 664,539.57/x
  3. Step 3: Cross multiply
    1,412,435.25x = 2,119,586.00 × 664,539.57
  4. Step 4: Simplify right side
    1,412,435.25x = 1,408,548,765,695.32
  5. Step 5: Solve for x
    x = 1,408,548,765,695.32/1,412,435.25
  6. Step 6: Final answer
    x = 997,248.38

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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.