Home / 931,664.21-1,285,742.22-523,894.43

Finding the Fourth Proportional to 931,664.21, 1,285,742.22 and 523,894.43

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Solution

The fourth proportional to 931,664.21, 1,285,742.22 and 523,894.43 is: 722,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,664.21 : 1,285,742.22 = 523,894.43 : x
  2. Step 2: Convert to fraction form
    931,664.21/1,285,742.22 = 523,894.43/x
  3. Step 3: Cross multiply
    931,664.21x = 1,285,742.22 × 523,894.43
  4. Step 4: Simplify right side
    931,664.21x = 673,593,187,473.84
  5. Step 5: Solve for x
    x = 673,593,187,473.84/931,664.21
  6. Step 6: Final answer
    x = 722,999.96

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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.