Home / 901,194.10-1,243,649.72-493,321.99

Finding the Fourth Proportional to 901,194.10, 1,243,649.72 and 493,321.99

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Solution

The fourth proportional to 901,194.10, 1,243,649.72 and 493,321.99 is: 680,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,194.10 : 1,243,649.72 = 493,321.99 : x
  2. Step 2: Convert to fraction form
    901,194.10/1,243,649.72 = 493,321.99/x
  3. Step 3: Cross multiply
    901,194.10x = 1,243,649.72 × 493,321.99
  4. Step 4: Simplify right side
    901,194.10x = 613,519,754,733.34
  5. Step 5: Solve for x
    x = 613,519,754,733.34/901,194.10
  6. Step 6: Final answer
    x = 680,785.37

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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.