Home / 729,112.80-1,093,669.20-414,184.80

Finding the Fourth Proportional to 729,112.80, 1,093,669.20 and 414,184.80

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Solution

The fourth proportional to 729,112.80, 1,093,669.20 and 414,184.80 is: 621,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,112.80 : 1,093,669.20 = 414,184.80 : x
  2. Step 2: Convert to fraction form
    729,112.80/1,093,669.20 = 414,184.80/x
  3. Step 3: Cross multiply
    729,112.80x = 1,093,669.20 × 414,184.80
  4. Step 4: Simplify right side
    729,112.80x = 452,981,158,868.16
  5. Step 5: Solve for x
    x = 452,981,158,868.16/729,112.80
  6. Step 6: Final answer
    x = 621,277.20

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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.