Home / 822,516.93-1,233,647.82-317,314.46

Finding the Fourth Proportional to 822,516.93, 1,233,647.82 and 317,314.46

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Solution

The fourth proportional to 822,516.93, 1,233,647.82 and 317,314.46 is: 475,922.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,516.93 : 1,233,647.82 = 317,314.46 : x
  2. Step 2: Convert to fraction form
    822,516.93/1,233,647.82 = 317,314.46/x
  3. Step 3: Cross multiply
    822,516.93x = 1,233,647.82 × 317,314.46
  4. Step 4: Simplify right side
    822,516.93x = 391,454,294,917.60
  5. Step 5: Solve for x
    x = 391,454,294,917.60/822,516.93
  6. Step 6: Final answer
    x = 475,922.48

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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.