Home / 1,264,517.28-1,897,009.94-400,169.86

Finding the Fourth Proportional to 1,264,517.28, 1,897,009.94 and 400,169.86

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Solution

The fourth proportional to 1,264,517.28, 1,897,009.94 and 400,169.86 is: 600,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,517.28 : 1,897,009.94 = 400,169.86 : x
  2. Step 2: Convert to fraction form
    1,264,517.28/1,897,009.94 = 400,169.86/x
  3. Step 3: Cross multiply
    1,264,517.28x = 1,897,009.94 × 400,169.86
  4. Step 4: Simplify right side
    1,264,517.28x = 759,126,198,366.31
  5. Step 5: Solve for x
    x = 759,126,198,366.31/1,264,517.28
  6. Step 6: Final answer
    x = 600,328.85

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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.