Home / 647,935.80-971,558.10-273,535.80

Finding the Fourth Proportional to 647,935.80, 971,558.10 and 273,535.80

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Solution

The fourth proportional to 647,935.80, 971,558.10 and 273,535.80 is: 410,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,935.80 : 971,558.10 = 273,535.80 : x
  2. Step 2: Convert to fraction form
    647,935.80/971,558.10 = 273,535.80/x
  3. Step 3: Cross multiply
    647,935.80x = 971,558.10 × 273,535.80
  4. Step 4: Simplify right side
    647,935.80x = 265,755,922,129.98
  5. Step 5: Solve for x
    x = 265,755,922,129.98/647,935.80
  6. Step 6: Final answer
    x = 410,157.80

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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.