Home / 756,360.20-1,134,540.30-543,783.80

Finding the Fourth Proportional to 756,360.20, 1,134,540.30 and 543,783.80

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Solution

The fourth proportional to 756,360.20, 1,134,540.30 and 543,783.80 is: 815,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,360.20 : 1,134,540.30 = 543,783.80 : x
  2. Step 2: Convert to fraction form
    756,360.20/1,134,540.30 = 543,783.80/x
  3. Step 3: Cross multiply
    756,360.20x = 1,134,540.30 × 543,783.80
  4. Step 4: Simplify right side
    756,360.20x = 616,944,635,587.14
  5. Step 5: Solve for x
    x = 616,944,635,587.14/756,360.20
  6. Step 6: Final answer
    x = 815,675.70

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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.