Home / 3,020,643.94-4,530,273.52-861,627.96

Finding the Fourth Proportional to 3,020,643.94, 4,530,273.52 and 861,627.96

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Solution

The fourth proportional to 3,020,643.94, 4,530,273.52 and 861,627.96 is: 1,292,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,643.94 : 4,530,273.52 = 861,627.96 : x
  2. Step 2: Convert to fraction form
    3,020,643.94/4,530,273.52 = 861,627.96/x
  3. Step 3: Cross multiply
    3,020,643.94x = 4,530,273.52 × 861,627.96
  4. Step 4: Simplify right side
    3,020,643.94x = 3,903,410,331,279.62
  5. Step 5: Solve for x
    x = 3,903,410,331,279.62/3,020,643.94
  6. Step 6: Final answer
    x = 1,292,244.44

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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.