Home / 1,120,844.13-1,544,958-758,135.72

Finding the Fourth Proportional to 1,120,844.13, 1,544,958 and 758,135.72

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Solution

The fourth proportional to 1,120,844.13, 1,544,958 and 758,135.72 is: 1,045,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,844.13 : 1,544,958 = 758,135.72 : x
  2. Step 2: Convert to fraction form
    1,120,844.13/1,544,958 = 758,135.72/x
  3. Step 3: Cross multiply
    1,120,844.13x = 1,544,958 × 758,135.72
  4. Step 4: Simplify right side
    1,120,844.13x = 1,171,287,837,974.97
  5. Step 5: Solve for x
    x = 1,171,287,837,974.97/1,120,844.13
  6. Step 6: Final answer
    x = 1,045,005.11

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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.