Home / 861,207.92-1,291,998.56-262,153.41

Finding the Fourth Proportional to 861,207.92, 1,291,998.56 and 262,153.41

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Solution

The fourth proportional to 861,207.92, 1,291,998.56 and 262,153.41 is: 393,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,207.92 : 1,291,998.56 = 262,153.41 : x
  2. Step 2: Convert to fraction form
    861,207.92/1,291,998.56 = 262,153.41/x
  3. Step 3: Cross multiply
    861,207.92x = 1,291,998.56 × 262,153.41
  4. Step 4: Simplify right side
    861,207.92x = 338,701,828,874.47
  5. Step 5: Solve for x
    x = 338,701,828,874.47/861,207.92
  6. Step 6: Final answer
    x = 393,286.94

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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.