Home / 1,253,146.34-1,729,343.93-680,186.77

Finding the Fourth Proportional to 1,253,146.34, 1,729,343.93 and 680,186.77

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Solution

The fourth proportional to 1,253,146.34, 1,729,343.93 and 680,186.77 is: 938,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,146.34 : 1,729,343.93 = 680,186.77 : x
  2. Step 2: Convert to fraction form
    1,253,146.34/1,729,343.93 = 680,186.77/x
  3. Step 3: Cross multiply
    1,253,146.34x = 1,729,343.93 × 680,186.77
  4. Step 4: Simplify right side
    1,253,146.34x = 1,176,276,854,241.51
  5. Step 5: Solve for x
    x = 1,176,276,854,241.51/1,253,146.34
  6. Step 6: Final answer
    x = 938,658.81

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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.