Home / 705,226.80-1,057,937.40-255,838.80

Finding the Fourth Proportional to 705,226.80, 1,057,937.40 and 255,838.80

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Solution

The fourth proportional to 705,226.80, 1,057,937.40 and 255,838.80 is: 383,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,226.80 : 1,057,937.40 = 255,838.80 : x
  2. Step 2: Convert to fraction form
    705,226.80/1,057,937.40 = 255,838.80/x
  3. Step 3: Cross multiply
    705,226.80x = 1,057,937.40 × 255,838.80
  4. Step 4: Simplify right side
    705,226.80x = 270,661,434,891.12
  5. Step 5: Solve for x
    x = 270,661,434,891.12/705,226.80
  6. Step 6: Final answer
    x = 383,793.46

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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.