Home / 657,181.85-985,348.85-257,862.96

Finding the Fourth Proportional to 657,181.85, 985,348.85 and 257,862.96

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Solution

The fourth proportional to 657,181.85, 985,348.85 and 257,862.96 is: 386,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,181.85 : 985,348.85 = 257,862.96 : x
  2. Step 2: Convert to fraction form
    657,181.85/985,348.85 = 257,862.96/x
  3. Step 3: Cross multiply
    657,181.85x = 985,348.85 × 257,862.96
  4. Step 4: Simplify right side
    657,181.85x = 254,084,969,804.28
  5. Step 5: Solve for x
    x = 254,084,969,804.28/657,181.85
  6. Step 6: Final answer
    x = 386,628.10

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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.