Home / 1,512,194.80-2,265,667.80-1,275,998.80

Finding the Fourth Proportional to 1,512,194.80, 2,265,667.80 and 1,275,998.80

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Solution

The fourth proportional to 1,512,194.80, 2,265,667.80 and 1,275,998.80 is: 1,911,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,194.80 : 2,265,667.80 = 1,275,998.80 : x
  2. Step 2: Convert to fraction form
    1,512,194.80/2,265,667.80 = 1,275,998.80/x
  3. Step 3: Cross multiply
    1,512,194.80x = 2,265,667.80 × 1,275,998.80
  4. Step 4: Simplify right side
    1,512,194.80x = 2,890,989,393,998.64
  5. Step 5: Solve for x
    x = 2,890,989,393,998.64/1,512,194.80
  6. Step 6: Final answer
    x = 1,911,783.72

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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.