Home / 839,854.80-1,259,780.58-208,769.22

Finding the Fourth Proportional to 839,854.80, 1,259,780.58 and 208,769.22

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Solution

The fourth proportional to 839,854.80, 1,259,780.58 and 208,769.22 is: 313,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,854.80 : 1,259,780.58 = 208,769.22 : x
  2. Step 2: Convert to fraction form
    839,854.80/1,259,780.58 = 208,769.22/x
  3. Step 3: Cross multiply
    839,854.80x = 1,259,780.58 × 208,769.22
  4. Step 4: Simplify right side
    839,854.80x = 263,003,409,057.75
  5. Step 5: Solve for x
    x = 263,003,409,057.75/839,854.80
  6. Step 6: Final answer
    x = 313,153.43

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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.