Home / 1,072,380.47-1,608,791.49-314,246.52

Finding the Fourth Proportional to 1,072,380.47, 1,608,791.49 and 314,246.52

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Solution

The fourth proportional to 1,072,380.47, 1,608,791.49 and 314,246.52 is: 471,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,380.47 : 1,608,791.49 = 314,246.52 : x
  2. Step 2: Convert to fraction form
    1,072,380.47/1,608,791.49 = 314,246.52/x
  3. Step 3: Cross multiply
    1,072,380.47x = 1,608,791.49 × 314,246.52
  4. Step 4: Simplify right side
    1,072,380.47x = 505,557,127,138.12
  5. Step 5: Solve for x
    x = 505,557,127,138.12/1,072,380.47
  6. Step 6: Final answer
    x = 471,434.48

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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.