Home / 1,315,179.52-1,816,201.50-1,243,532.56

Finding the Fourth Proportional to 1,315,179.52, 1,816,201.50 and 1,243,532.56

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Solution

The fourth proportional to 1,315,179.52, 1,816,201.50 and 1,243,532.56 is: 1,717,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,179.52 : 1,816,201.50 = 1,243,532.56 : x
  2. Step 2: Convert to fraction form
    1,315,179.52/1,816,201.50 = 1,243,532.56/x
  3. Step 3: Cross multiply
    1,315,179.52x = 1,816,201.50 × 1,243,532.56
  4. Step 4: Simplify right side
    1,315,179.52x = 2,258,505,700,770.84
  5. Step 5: Solve for x
    x = 2,258,505,700,770.84/1,315,179.52
  6. Step 6: Final answer
    x = 1,717,260.39

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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.