Home / 657,074.24-985,234.10-257,246.90

Finding the Fourth Proportional to 657,074.24, 985,234.10 and 257,246.90

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Solution

The fourth proportional to 657,074.24, 985,234.10 and 257,246.90 is: 385,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,074.24 : 985,234.10 = 257,246.90 : x
  2. Step 2: Convert to fraction form
    657,074.24/985,234.10 = 257,246.90/x
  3. Step 3: Cross multiply
    657,074.24x = 985,234.10 × 257,246.90
  4. Step 4: Simplify right side
    657,074.24x = 253,448,411,786.89
  5. Step 5: Solve for x
    x = 253,448,411,786.89/657,074.24
  6. Step 6: Final answer
    x = 385,722.64

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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.