Home / 706,940.04-1,064,255.25-644,164.68

Finding the Fourth Proportional to 706,940.04, 1,064,255.25 and 644,164.68

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Solution

The fourth proportional to 706,940.04, 1,064,255.25 and 644,164.68 is: 969,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,940.04 : 1,064,255.25 = 644,164.68 : x
  2. Step 2: Convert to fraction form
    706,940.04/1,064,255.25 = 644,164.68/x
  3. Step 3: Cross multiply
    706,940.04x = 1,064,255.25 × 644,164.68
  4. Step 4: Simplify right side
    706,940.04x = 685,555,642,554.57
  5. Step 5: Solve for x
    x = 685,555,642,554.57/706,940.04
  6. Step 6: Final answer
    x = 969,750.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.