Home / 1,253,090.17-1,729,218.19-680,118.04

Finding the Fourth Proportional to 1,253,090.17, 1,729,218.19 and 680,118.04

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Solution

The fourth proportional to 1,253,090.17, 1,729,218.19 and 680,118.04 is: 938,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,090.17 : 1,729,218.19 = 680,118.04 : x
  2. Step 2: Convert to fraction form
    1,253,090.17/1,729,218.19 = 680,118.04/x
  3. Step 3: Cross multiply
    1,253,090.17x = 1,729,218.19 × 680,118.04
  4. Step 4: Simplify right side
    1,253,090.17x = 1,176,072,489,845.81
  5. Step 5: Solve for x
    x = 1,176,072,489,845.81/1,253,090.17
  6. Step 6: Final answer
    x = 938,537.80

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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.