Home / 657,076.74-985,237.84-257,249.40

Finding the Fourth Proportional to 657,076.74, 985,237.84 and 257,249.40

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Solution

The fourth proportional to 657,076.74, 985,237.84 and 257,249.40 is: 385,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,076.74 : 985,237.84 = 257,249.40 : x
  2. Step 2: Convert to fraction form
    657,076.74/985,237.84 = 257,249.40/x
  3. Step 3: Cross multiply
    657,076.74x = 985,237.84 × 257,249.40
  4. Step 4: Simplify right side
    657,076.74x = 253,451,843,197.30
  5. Step 5: Solve for x
    x = 253,451,843,197.30/657,076.74
  6. Step 6: Final answer
    x = 385,726.40

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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.