Home / 1,256,440.82-1,733,887.01-683,479.62

Finding the Fourth Proportional to 1,256,440.82, 1,733,887.01 and 683,479.62

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Solution

The fourth proportional to 1,256,440.82, 1,733,887.01 and 683,479.62 is: 943,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,440.82 : 1,733,887.01 = 683,479.62 : x
  2. Step 2: Convert to fraction form
    1,256,440.82/1,733,887.01 = 683,479.62/x
  3. Step 3: Cross multiply
    1,256,440.82x = 1,733,887.01 × 683,479.62
  4. Step 4: Simplify right side
    1,256,440.82x = 1,185,076,436,426.44
  5. Step 5: Solve for x
    x = 1,185,076,436,426.44/1,256,440.82
  6. Step 6: Final answer
    x = 943,201.16

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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.