Home / 927,201.20-1,391,003.40-528,033.20

Finding the Fourth Proportional to 927,201.20, 1,391,003.40 and 528,033.20

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Solution

The fourth proportional to 927,201.20, 1,391,003.40 and 528,033.20 is: 792,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,201.20 : 1,391,003.40 = 528,033.20 : x
  2. Step 2: Convert to fraction form
    927,201.20/1,391,003.40 = 528,033.20/x
  3. Step 3: Cross multiply
    927,201.20x = 1,391,003.40 × 528,033.20
  4. Step 4: Simplify right side
    927,201.20x = 734,495,976,512.88
  5. Step 5: Solve for x
    x = 734,495,976,512.88/927,201.20
  6. Step 6: Final answer
    x = 792,164.61

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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.