Home / 823,830.12-1,234,873.26-374,866.27

Finding the Fourth Proportional to 823,830.12, 1,234,873.26 and 374,866.27

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Solution

The fourth proportional to 823,830.12, 1,234,873.26 and 374,866.27 is: 561,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,830.12 : 1,234,873.26 = 374,866.27 : x
  2. Step 2: Convert to fraction form
    823,830.12/1,234,873.26 = 374,866.27/x
  3. Step 3: Cross multiply
    823,830.12x = 1,234,873.26 × 374,866.27
  4. Step 4: Simplify right side
    823,830.12x = 462,912,326,724.57
  5. Step 5: Solve for x
    x = 462,912,326,724.57/823,830.12
  6. Step 6: Final answer
    x = 561,902.65

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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.