Home / 839,701.80-1,259,552.70-208,615.61

Finding the Fourth Proportional to 839,701.80, 1,259,552.70 and 208,615.61

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Solution

The fourth proportional to 839,701.80, 1,259,552.70 and 208,615.61 is: 312,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,701.80 : 1,259,552.70 = 208,615.61 : x
  2. Step 2: Convert to fraction form
    839,701.80/1,259,552.70 = 208,615.61/x
  3. Step 3: Cross multiply
    839,701.80x = 1,259,552.70 × 208,615.61
  4. Step 4: Simplify right side
    839,701.80x = 262,762,357,986.53
  5. Step 5: Solve for x
    x = 262,762,357,986.53/839,701.80
  6. Step 6: Final answer
    x = 312,923.42

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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.