Home / 936,999.80-1,404,601.81-396,512.57

Finding the Fourth Proportional to 936,999.80, 1,404,601.81 and 396,512.57

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Solution

The fourth proportional to 936,999.80, 1,404,601.81 and 396,512.57 is: 594,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,999.80 : 1,404,601.81 = 396,512.57 : x
  2. Step 2: Convert to fraction form
    936,999.80/1,404,601.81 = 396,512.57/x
  3. Step 3: Cross multiply
    936,999.80x = 1,404,601.81 × 396,512.57
  4. Step 4: Simplify right side
    936,999.80x = 556,942,273,509.75
  5. Step 5: Solve for x
    x = 556,942,273,509.75/936,999.80
  6. Step 6: Final answer
    x = 594,388.89

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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.