Home / 657,101.34-985,758.48-257,525.46

Finding the Fourth Proportional to 657,101.34, 985,758.48 and 257,525.46

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Solution

The fourth proportional to 657,101.34, 985,758.48 and 257,525.46 is: 386,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,101.34 : 985,758.48 = 257,525.46 : x
  2. Step 2: Convert to fraction form
    657,101.34/985,758.48 = 257,525.46/x
  3. Step 3: Cross multiply
    657,101.34x = 985,758.48 × 257,525.46
  4. Step 4: Simplify right side
    657,101.34x = 253,857,906,010.90
  5. Step 5: Solve for x
    x = 253,857,906,010.90/657,101.34
  6. Step 6: Final answer
    x = 386,329.92

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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.