Home / 486,324.22-671,124.85-282,425.27

Finding the Fourth Proportional to 486,324.22, 671,124.85 and 282,425.27

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Solution

The fourth proportional to 486,324.22, 671,124.85 and 282,425.27 is: 389,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,324.22 : 671,124.85 = 282,425.27 : x
  2. Step 2: Convert to fraction form
    486,324.22/671,124.85 = 282,425.27/x
  3. Step 3: Cross multiply
    486,324.22x = 671,124.85 × 282,425.27
  4. Step 4: Simplify right side
    486,324.22x = 189,542,616,964.96
  5. Step 5: Solve for x
    x = 189,542,616,964.96/486,324.22
  6. Step 6: Final answer
    x = 389,745.38

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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.