Home / 1,113,243.29-1,536,228.60-629,816.66

Finding the Fourth Proportional to 1,113,243.29, 1,536,228.60 and 629,816.66

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Solution

The fourth proportional to 1,113,243.29, 1,536,228.60 and 629,816.66 is: 869,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,243.29 : 1,536,228.60 = 629,816.66 : x
  2. Step 2: Convert to fraction form
    1,113,243.29/1,536,228.60 = 629,816.66/x
  3. Step 3: Cross multiply
    1,113,243.29x = 1,536,228.60 × 629,816.66
  4. Step 4: Simplify right side
    1,113,243.29x = 967,542,365,848.48
  5. Step 5: Solve for x
    x = 967,542,365,848.48/1,113,243.29
  6. Step 6: Final answer
    x = 869,120.32

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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.