Home / 828,922.86-1,143,812.07-522,884.34

Finding the Fourth Proportional to 828,922.86, 1,143,812.07 and 522,884.34

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Solution

The fourth proportional to 828,922.86, 1,143,812.07 and 522,884.34 is: 721,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,922.86 : 1,143,812.07 = 522,884.34 : x
  2. Step 2: Convert to fraction form
    828,922.86/1,143,812.07 = 522,884.34/x
  3. Step 3: Cross multiply
    828,922.86x = 1,143,812.07 × 522,884.34
  4. Step 4: Simplify right side
    828,922.86x = 598,081,419,305.98
  5. Step 5: Solve for x
    x = 598,081,419,305.98/828,922.86
  6. Step 6: Final answer
    x = 721,516.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.