Home / 822,064.62-1,233,069.14-289,571.73

Finding the Fourth Proportional to 822,064.62, 1,233,069.14 and 289,571.73

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Solution

The fourth proportional to 822,064.62, 1,233,069.14 and 289,571.73 is: 434,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,064.62 : 1,233,069.14 = 289,571.73 : x
  2. Step 2: Convert to fraction form
    822,064.62/1,233,069.14 = 289,571.73/x
  3. Step 3: Cross multiply
    822,064.62x = 1,233,069.14 × 289,571.73
  4. Step 4: Simplify right side
    822,064.62x = 357,061,965,714.23
  5. Step 5: Solve for x
    x = 357,061,965,714.23/822,064.62
  6. Step 6: Final answer
    x = 434,347.81

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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.