Home / 657,093.03-985,636.71-257,451.60

Finding the Fourth Proportional to 657,093.03, 985,636.71 and 257,451.60

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Solution

The fourth proportional to 657,093.03, 985,636.71 and 257,451.60 is: 386,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,093.03 : 985,636.71 = 257,451.60 : x
  2. Step 2: Convert to fraction form
    657,093.03/985,636.71 = 257,451.60/x
  3. Step 3: Cross multiply
    657,093.03x = 985,636.71 × 257,451.60
  4. Step 4: Simplify right side
    657,093.03x = 253,753,748,008.24
  5. Step 5: Solve for x
    x = 253,753,748,008.24/657,093.03
  6. Step 6: Final answer
    x = 386,176.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.