Home / 1,289,959.43-1,934,939.14-491,610.47

Finding the Fourth Proportional to 1,289,959.43, 1,934,939.14 and 491,610.47

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Solution

The fourth proportional to 1,289,959.43, 1,934,939.14 and 491,610.47 is: 737,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,959.43 : 1,934,939.14 = 491,610.47 : x
  2. Step 2: Convert to fraction form
    1,289,959.43/1,934,939.14 = 491,610.47/x
  3. Step 3: Cross multiply
    1,289,959.43x = 1,934,939.14 × 491,610.47
  4. Step 4: Simplify right side
    1,289,959.43x = 951,236,329,133.07
  5. Step 5: Solve for x
    x = 951,236,329,133.07/1,289,959.43
  6. Step 6: Final answer
    x = 737,415.70

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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.