Home / 657,103.50-985,655.28-257,932.26

Finding the Fourth Proportional to 657,103.50, 985,655.28 and 257,932.26

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Solution

The fourth proportional to 657,103.50, 985,655.28 and 257,932.26 is: 386,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,103.50 : 985,655.28 = 257,932.26 : x
  2. Step 2: Convert to fraction form
    657,103.50/985,655.28 = 257,932.26/x
  3. Step 3: Cross multiply
    657,103.50x = 985,655.28 × 257,932.26
  4. Step 4: Simplify right side
    657,103.50x = 254,232,293,951.33
  5. Step 5: Solve for x
    x = 254,232,293,951.33/657,103.50
  6. Step 6: Final answer
    x = 386,898.40

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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.