Home / 1,257,735.69-1,886,338.55-404,883.45

Finding the Fourth Proportional to 1,257,735.69, 1,886,338.55 and 404,883.45

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Solution

The fourth proportional to 1,257,735.69, 1,886,338.55 and 404,883.45 is: 607,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,735.69 : 1,886,338.55 = 404,883.45 : x
  2. Step 2: Convert to fraction form
    1,257,735.69/1,886,338.55 = 404,883.45/x
  3. Step 3: Cross multiply
    1,257,735.69x = 1,886,338.55 × 404,883.45
  4. Step 4: Simplify right side
    1,257,735.69x = 763,747,261,004.21
  5. Step 5: Solve for x
    x = 763,747,261,004.21/1,257,735.69
  6. Step 6: Final answer
    x = 607,239.87

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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.