Home / 1,512,043.20-2,086,732.80-832,982.40

Finding the Fourth Proportional to 1,512,043.20, 2,086,732.80 and 832,982.40

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Solution

The fourth proportional to 1,512,043.20, 2,086,732.80 and 832,982.40 is: 1,149,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,043.20 : 2,086,732.80 = 832,982.40 : x
  2. Step 2: Convert to fraction form
    1,512,043.20/2,086,732.80 = 832,982.40/x
  3. Step 3: Cross multiply
    1,512,043.20x = 2,086,732.80 × 832,982.40
  4. Step 4: Simplify right side
    1,512,043.20x = 1,738,211,695,902.72
  5. Step 5: Solve for x
    x = 1,738,211,695,902.72/1,512,043.20
  6. Step 6: Final answer
    x = 1,149,578.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.