Home / 1,619,195.60-2,424,905.40-869,589.20

Finding the Fourth Proportional to 1,619,195.60, 2,424,905.40 and 869,589.20

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Solution

The fourth proportional to 1,619,195.60, 2,424,905.40 and 869,589.20 is: 1,302,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,195.60 : 2,424,905.40 = 869,589.20 : x
  2. Step 2: Convert to fraction form
    1,619,195.60/2,424,905.40 = 869,589.20/x
  3. Step 3: Cross multiply
    1,619,195.60x = 2,424,905.40 × 869,589.20
  4. Step 4: Simplify right side
    1,619,195.60x = 2,108,671,546,861.68
  5. Step 5: Solve for x
    x = 2,108,671,546,861.68/1,619,195.60
  6. Step 6: Final answer
    x = 1,302,295.75

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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.