Home / 1,191,786.35-1,644,679.04-647,910.23

Finding the Fourth Proportional to 1,191,786.35, 1,644,679.04 and 647,910.23

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Solution

The fourth proportional to 1,191,786.35, 1,644,679.04 and 647,910.23 is: 894,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,786.35 : 1,644,679.04 = 647,910.23 : x
  2. Step 2: Convert to fraction form
    1,191,786.35/1,644,679.04 = 647,910.23/x
  3. Step 3: Cross multiply
    1,191,786.35x = 1,644,679.04 × 647,910.23
  4. Step 4: Simplify right side
    1,191,786.35x = 1,065,604,363,619.63
  5. Step 5: Solve for x
    x = 1,065,604,363,619.63/1,191,786.35
  6. Step 6: Final answer
    x = 894,123.66

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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.