Home / 657,077.29-985,623.77-257,906.05

Finding the Fourth Proportional to 657,077.29, 985,623.77 and 257,906.05

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Solution

The fourth proportional to 657,077.29, 985,623.77 and 257,906.05 is: 386,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,077.29 : 985,623.77 = 257,906.05 : x
  2. Step 2: Convert to fraction form
    657,077.29/985,623.77 = 257,906.05/x
  3. Step 3: Cross multiply
    657,077.29x = 985,623.77 × 257,906.05
  4. Step 4: Simplify right side
    657,077.29x = 254,198,333,306.81
  5. Step 5: Solve for x
    x = 254,198,333,306.81/657,077.29
  6. Step 6: Final answer
    x = 386,862.15

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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.