Home / 657,127.11-985,266.99-257,808.27

Finding the Fourth Proportional to 657,127.11, 985,266.99 and 257,808.27

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Solution

The fourth proportional to 657,127.11, 985,266.99 and 257,808.27 is: 386,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,127.11 : 985,266.99 = 257,808.27 : x
  2. Step 2: Convert to fraction form
    657,127.11/985,266.99 = 257,808.27/x
  3. Step 3: Cross multiply
    657,127.11x = 985,266.99 × 257,808.27
  4. Step 4: Simplify right side
    657,127.11x = 254,009,978,180.01
  5. Step 5: Solve for x
    x = 254,009,978,180.01/657,127.11
  6. Step 6: Final answer
    x = 386,546.19

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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.