Home / 1,256,006.25-1,733,236.11-712,178.91

Finding the Fourth Proportional to 1,256,006.25, 1,733,236.11 and 712,178.91

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Solution

The fourth proportional to 1,256,006.25, 1,733,236.11 and 712,178.91 is: 982,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,006.25 : 1,733,236.11 = 712,178.91 : x
  2. Step 2: Convert to fraction form
    1,256,006.25/1,733,236.11 = 712,178.91/x
  3. Step 3: Cross multiply
    1,256,006.25x = 1,733,236.11 × 712,178.91
  4. Step 4: Simplify right side
    1,256,006.25x = 1,234,374,203,592.44
  5. Step 5: Solve for x
    x = 1,234,374,203,592.44/1,256,006.25
  6. Step 6: Final answer
    x = 982,777.12

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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.