Home / 940,548.09-1,298,352.70-635,037.86

Finding the Fourth Proportional to 940,548.09, 1,298,352.70 and 635,037.86

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Solution

The fourth proportional to 940,548.09, 1,298,352.70 and 635,037.86 is: 876,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,548.09 : 1,298,352.70 = 635,037.86 : x
  2. Step 2: Convert to fraction form
    940,548.09/1,298,352.70 = 635,037.86/x
  3. Step 3: Cross multiply
    940,548.09x = 1,298,352.70 × 635,037.86
  4. Step 4: Simplify right side
    940,548.09x = 824,503,120,133.22
  5. Step 5: Solve for x
    x = 824,503,120,133.22/940,548.09
  6. Step 6: Final answer
    x = 876,619.84

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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.