Home / 646,757.96-886,062.64-622,516.20

Finding the Fourth Proportional to 646,757.96, 886,062.64 and 622,516.20

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Solution

The fourth proportional to 646,757.96, 886,062.64 and 622,516.20 is: 852,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,757.96 : 886,062.64 = 622,516.20 : x
  2. Step 2: Convert to fraction form
    646,757.96/886,062.64 = 622,516.20/x
  3. Step 3: Cross multiply
    646,757.96x = 886,062.64 × 622,516.20
  4. Step 4: Simplify right side
    646,757.96x = 551,588,347,614.77
  5. Step 5: Solve for x
    x = 551,588,347,614.77/646,757.96
  6. Step 6: Final answer
    x = 852,851.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.