Home / 1,443,606.53-1,992,224.03-831,711.26

Finding the Fourth Proportional to 1,443,606.53, 1,992,224.03 and 831,711.26

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Solution

The fourth proportional to 1,443,606.53, 1,992,224.03 and 831,711.26 is: 1,147,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,606.53 : 1,992,224.03 = 831,711.26 : x
  2. Step 2: Convert to fraction form
    1,443,606.53/1,992,224.03 = 831,711.26/x
  3. Step 3: Cross multiply
    1,443,606.53x = 1,992,224.03 × 831,711.26
  4. Step 4: Simplify right side
    1,443,606.53x = 1,656,955,159,015.58
  5. Step 5: Solve for x
    x = 1,656,955,159,015.58/1,443,606.53
  6. Step 6: Final answer
    x = 1,147,788.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.