Home / 657,104.50-985,656.78-257,933.26

Finding the Fourth Proportional to 657,104.50, 985,656.78 and 257,933.26

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Solution

The fourth proportional to 657,104.50, 985,656.78 and 257,933.26 is: 386,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,104.50 : 985,656.78 = 257,933.26 : x
  2. Step 2: Convert to fraction form
    657,104.50/985,656.78 = 257,933.26/x
  3. Step 3: Cross multiply
    657,104.50x = 985,656.78 × 257,933.26
  4. Step 4: Simplify right side
    657,104.50x = 254,233,666,506.50
  5. Step 5: Solve for x
    x = 254,233,666,506.50/657,104.50
  6. Step 6: Final answer
    x = 386,899.90

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Similar ratio
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1.5x scale

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.