Home / 664,550.08-996,776.92-259,666.18

Finding the Fourth Proportional to 664,550.08, 996,776.92 and 259,666.18

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Solution

The fourth proportional to 664,550.08, 996,776.92 and 259,666.18 is: 389,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,550.08 : 996,776.92 = 259,666.18 : x
  2. Step 2: Convert to fraction form
    664,550.08/996,776.92 = 259,666.18/x
  3. Step 3: Cross multiply
    664,550.08x = 996,776.92 × 259,666.18
  4. Step 4: Simplify right side
    664,550.08x = 258,829,255,128.57
  5. Step 5: Solve for x
    x = 258,829,255,128.57/664,550.08
  6. Step 6: Final answer
    x = 389,480.44

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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.