Home / 706,939.04-1,064,253.74-644,163.68

Finding the Fourth Proportional to 706,939.04, 1,064,253.74 and 644,163.68

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Solution

The fourth proportional to 706,939.04, 1,064,253.74 and 644,163.68 is: 969,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,939.04 : 1,064,253.74 = 644,163.68 : x
  2. Step 2: Convert to fraction form
    706,939.04/1,064,253.74 = 644,163.68/x
  3. Step 3: Cross multiply
    706,939.04x = 1,064,253.74 × 644,163.68
  4. Step 4: Simplify right side
    706,939.04x = 685,553,605,612.16
  5. Step 5: Solve for x
    x = 685,553,605,612.16/706,939.04
  6. Step 6: Final answer
    x = 969,749.25

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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.