Home / 836,051.88-1,152,965.70-644,762.28

Finding the Fourth Proportional to 836,051.88, 1,152,965.70 and 644,762.28

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Solution

The fourth proportional to 836,051.88, 1,152,965.70 and 644,762.28 is: 889,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,051.88 : 1,152,965.70 = 644,762.28 : x
  2. Step 2: Convert to fraction form
    836,051.88/1,152,965.70 = 644,762.28/x
  3. Step 3: Cross multiply
    836,051.88x = 1,152,965.70 × 644,762.28
  4. Step 4: Simplify right side
    836,051.88x = 743,388,793,493.80
  5. Step 5: Solve for x
    x = 743,388,793,493.80/836,051.88
  6. Step 6: Final answer
    x = 889,165.87

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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.