Home / 1,253,664.24-1,730,008.14-680,691.30

Finding the Fourth Proportional to 1,253,664.24, 1,730,008.14 and 680,691.30

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Solution

The fourth proportional to 1,253,664.24, 1,730,008.14 and 680,691.30 is: 939,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,664.24 : 1,730,008.14 = 680,691.30 : x
  2. Step 2: Convert to fraction form
    1,253,664.24/1,730,008.14 = 680,691.30/x
  3. Step 3: Cross multiply
    1,253,664.24x = 1,730,008.14 × 680,691.30
  4. Step 4: Simplify right side
    1,253,664.24x = 1,177,601,489,827.18
  5. Step 5: Solve for x
    x = 1,177,601,489,827.18/1,253,664.24
  6. Step 6: Final answer
    x = 939,327.65

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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.