Home / 1,112,422.40-1,535,173.14-629,059.85

Finding the Fourth Proportional to 1,112,422.40, 1,535,173.14 and 629,059.85

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Solution

The fourth proportional to 1,112,422.40, 1,535,173.14 and 629,059.85 is: 868,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,422.40 : 1,535,173.14 = 629,059.85 : x
  2. Step 2: Convert to fraction form
    1,112,422.40/1,535,173.14 = 629,059.85/x
  3. Step 3: Cross multiply
    1,112,422.40x = 1,535,173.14 × 629,059.85
  4. Step 4: Simplify right side
    1,112,422.40x = 965,715,785,172.43
  5. Step 5: Solve for x
    x = 965,715,785,172.43/1,112,422.40
  6. Step 6: Final answer
    x = 868,119.69

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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.