Home / 1,191,504.20-1,786,910.70-433,257.80

Finding the Fourth Proportional to 1,191,504.20, 1,786,910.70 and 433,257.80

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Solution

The fourth proportional to 1,191,504.20, 1,786,910.70 and 433,257.80 is: 649,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,504.20 : 1,786,910.70 = 433,257.80 : x
  2. Step 2: Convert to fraction form
    1,191,504.20/1,786,910.70 = 433,257.80/x
  3. Step 3: Cross multiply
    1,191,504.20x = 1,786,910.70 × 433,257.80
  4. Step 4: Simplify right side
    1,191,504.20x = 774,192,998,678.46
  5. Step 5: Solve for x
    x = 774,192,998,678.46/1,191,504.20
  6. Step 6: Final answer
    x = 649,761.03

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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.