Home / 1,883,789.69-2,825,782.28-621,715.73

Finding the Fourth Proportional to 1,883,789.69, 2,825,782.28 and 621,715.73

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Solution

The fourth proportional to 1,883,789.69, 2,825,782.28 and 621,715.73 is: 932,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,789.69 : 2,825,782.28 = 621,715.73 : x
  2. Step 2: Convert to fraction form
    1,883,789.69/2,825,782.28 = 621,715.73/x
  3. Step 3: Cross multiply
    1,883,789.69x = 2,825,782.28 × 621,715.73
  4. Step 4: Simplify right side
    1,883,789.69x = 1,756,833,293,031.26
  5. Step 5: Solve for x
    x = 1,756,833,293,031.26/1,883,789.69
  6. Step 6: Final answer
    x = 932,605.85

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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.