Home / 1,291,295.52-1,936,899.54-344,616.12

Finding the Fourth Proportional to 1,291,295.52, 1,936,899.54 and 344,616.12

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Solution

The fourth proportional to 1,291,295.52, 1,936,899.54 and 344,616.12 is: 516,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,295.52 : 1,936,899.54 = 344,616.12 : x
  2. Step 2: Convert to fraction form
    1,291,295.52/1,936,899.54 = 344,616.12/x
  3. Step 3: Cross multiply
    1,291,295.52x = 1,936,899.54 × 344,616.12
  4. Step 4: Simplify right side
    1,291,295.52x = 667,486,804,304.59
  5. Step 5: Solve for x
    x = 667,486,804,304.59/1,291,295.52
  6. Step 6: Final answer
    x = 516,912.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.