Home / 1,186,234.20-1,775,204.10-1,086,701.40

Finding the Fourth Proportional to 1,186,234.20, 1,775,204.10 and 1,086,701.40

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Solution

The fourth proportional to 1,186,234.20, 1,775,204.10 and 1,086,701.40 is: 1,626,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,234.20 : 1,775,204.10 = 1,086,701.40 : x
  2. Step 2: Convert to fraction form
    1,186,234.20/1,775,204.10 = 1,086,701.40/x
  3. Step 3: Cross multiply
    1,186,234.20x = 1,775,204.10 × 1,086,701.40
  4. Step 4: Simplify right side
    1,186,234.20x = 1,929,116,780,755.74
  5. Step 5: Solve for x
    x = 1,929,116,780,755.74/1,186,234.20
  6. Step 6: Final answer
    x = 1,626,252.88

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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.